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Lucia Barnum
Lucia Barnum
Encyclopædia Britannica Editor
BIOGRAPHY

Lucia Barnum is a contractor with Encyclopædia Britannica’s Media department, where they specialize in creating graphics, data visualizations, and interactive content.

 Since starting at Britannica in January 2025, they have worked with the video and photo teams to write scripts, edit videos, and produce social media content for Merriam-Webster. Now, they bring their multimedia experience to Britannica’s art team. Lucia is passionate about finding the numbers that best illustrate the complex stories told at Britannica, making diverse content accessible to readers of all ages. 

EDUCATION

Lucia holds a B.S. in journalism and environmental policy and culture, with a minor in Latin American and Caribbean studies from Northwestern University. 

IN LUCIA’S OWN WORDS…

My favorite part about working for Britannica is the ability to dive into something new every day—from the history of Greenland to the symbols on the dollar bill. I grew up reading and learning from Encyclopædia Britannica; it’s an honor to now contribute to an institution that values lifelong learning as much as I do. I’m excited to apply my creativity and curiosity to bring our written content to life through engaging visual and interactive design.

Primary Contributions (106)
Gheorghe Muresan of the Washington Bullets, wearing jersey 77, holds the basketball while defended by Lorenzo Williams of the Dallas Mavericks during an NBA game.
List of the tallest NBA players
Most NBA players are tall. Just how tall? The average height of a player is approximately 6 feet 7 inches (2 meters). By comparison, the average American man stands about 5 feet 9 inches (1.75 meters) tall. Height is a major advantage in basketball, helping players rebound, block, and shoot. So,…
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Infographic of NASA's Orion mission path showing numbered stages from liftoff, Earth orbit, lunar flyby, to reentry and splashdown. Artemis II mission profile: Orion crewed lunar flyby trajectory
Photo illustration of St. Peter's Basilica in Vatican City highlighting key features of Renaissance architecture, such as domes, Corinthian capitals, columns, and geometric proportions, with labeled callouts explaining classical influences and design principles. St. Peter's Basilica, Vatican City
Zodiac sign calculator Zodiac sign calculator
colossal squid (Mesonychoteuthis hamiltoni) colossal squid (Mesonychoteuthis hamiltoni)
Photo illustration of Chartres Cathedral in France highlighting features of Gothic architecture, including pointed arches, rib vaults, flying buttresses, ornate decorations, and stained glass windows. Insets show close-ups of architectural details with explanatory labels. Chartres Cathedral
Diagram titled Spinning jenny showing an operator using a hand wheel to rotate a cord-driven roller, drawing and twisting fibers from multiple clamped rovings onto tilted spindles; numbered callouts trace the process from roving to thread. Spinning jenny diagram showing how fiber is spun into thread
Interactive of the Modified Mercalli scale of earthquake intensity, showing twelve colored panels labeled Level I to Level XII with increasing damage to buildings and surroundings. Modified Mercalli scale of earthquake intensity.
Diagram showing two views of Mars with labeled features, including dark regions shaped by wind, the volcano Olympus Mons, the Valles Marineris canyon, polar ice caps, and lighter dust-covered areas. Visual guide showing the major geological features of Mars, including Olympus Mons, Valles Marineris, polar ice caps, and surface dust regions.
Infographic titled Lizzie Borden rhyme featuring the famous rhyme about Lizzie Borden taking an ax, highlighted in yellow on a parchment background, with surrounding fact boxes about the Borden murders, trial, and details of the victims' injuries. Rhyme. Lizzie Borden took an ax and gave her mother forty whacks, And when she saw what she had done, She gave her father forty-one. The Lizzie Borden rhyme: Fact vs. fiction
Tick-borne disease cases in the United States Tick-borne disease cases in the United States
Infographic titled Coffee Cups Around the World showing six types of coffee cups: cini or finjal, espresso cup, cafe au lait bowl, phin drip cup, diner mug, and cafecito cup. Interactive guide to traditional coffee cups around the world
Measles Measles
Infographic titled Features of the Moon's Surface compares the near side and far side of the Moon. Labels identify dark, lava-filled maria; older, brighter highlands; impact craters; and lunar basins larger than 186 miles in diameter. Features of the Moon's surface: near side vs. far side
Woman suffrage: In the United States, 1776–1959 Woman suffrage: In the United States, 1776–1959
Map titled The life of Abraham Lincoln with numbered blue, orange, and red dots marking significant locations in Lincoln's life and Civil War milestones across the eastern United States. Interactive map of Abraham Lincoln's life
Interactive inviting users to explore Ulysses butterfly wing details, with Start, zoom, pan, and reset controls. A closer look at butterfly wings and microscopic scales
Infographic summarizing FIFA World Cup history, including record attendances, top players and teams by appearances and goals, a map of 2026 host cities, and a timeline of past winners and milestones. World Cup
Photo and labeled diagram of the Trionda soccer ball used in FIFA 2026, featuring red, blue, and green panels for host countries, four aerodynamic panels, a motion sensor chip, and counterweights for balance. Inside the Trionda: The 2026 FIFA World Cup Ball
Diagram explaining soccer's offside rule, showing a forward pass to a receiver who is past the second-to-last defender and the ball, with labeled offside and onside areas, defenders, and exceptions to the rule. Soccer offside rule explained: onside vs. offside position
Measles Cases in the U.S. Measles Cases in the U.S.
Map showing the path of the total solar eclipse on August 12, 2026, crossing Greenland, Iceland, northern Russia, the Atlantic Ocean, Spain, and Portugal. August 12, 2026 total solar eclipse: Interactive path across Greenland, Iceland, and Europe.
Gold medal with blue ribbon, “Paris 2024” emblem at center, and text “The Price of Olympic Gold” above on light background. The price of Olympic gold
Circular astronomical map of the northern sky showing major constellations, with constellation names and star patterns marked. The outer edge is labeled with months to indicate when constellations are visible at night throughout the year. The northern sky
Circular astronomical map of the southern sky showing major constellations, with constellation boundaries and star patterns marked. The outer ring is labeled with months to indicate which constellations are visible at different times of year. The southern sky
Constellation Finder tool displaying labeled constellations in the Northern Hemisphere, with a circular star map and search options on the left. Constellation finder
Online form titled “What's My Zodiac Sign?” with fields for birth date, time, and city, plus a purple button labeled “Find my sign.” Zodiac sign calculator
World War I: Eastern Front World War I: Eastern Front
World War I: Western Front, 1916 World War I: Western Front, 1916
Interactive stacked bar chart of Allied and Associated military casualties in World War I, with Russia highest at about 12 million, followed by the British Empire and France. Bars show killed and died, wounded, prisoners and missing, and remaining mobilized forces. World War I military casualties and mobilization among Allied and Associated powers
Infographic illustrating bioaccumulation and biomagnification, showing how toxins build up in small organisms and increase in concentration as they move up the food chain to larger fish and apex predators. Bioaccumulation and biomagnification
European exploration of the African coast European exploration of the African coast
U.S. military presence in the Middle East U.S. military presence in the Middle East
Vaccine timeline Vaccine timeline
Digital Greek mythology flashcard showing a statue of a woman in a helmet and text reading Goddess of war, crafts, and wisdom, with answer choices Demeter, Hera, Athena, and Artemis. How well do you know the ancient Greek gods and goddesses?
An illustrated chart compares the typical flying altitudes of various airplanes, from small planes at 3,000-15,000 feet to supersonic and rocket-powered aircraft reaching up to 98,400 feet, with Mt. Everest included for scale. How high do airplanes fly? Altitude comparison of commercial, private, and military aircraft
Diagram of a quadcopter drone with labeled parts including propellers, motors, landing gear, and cameras, plus an inset showing the electronic components on the drone's frame or chassis. Diagram of a quadcopter drone
Where do the cardinal electors come from? Where do the cardinal electors come from?
“Which Cat Is Bigger?” with dropdowns, a “Compare” button, and white silhouettes of various cat species on an orange background. Compare the sizes of cat family members.
Illustration of Artemis II flight path from Earth to Moon with text: Artemis II is taking astronauts back toward the Moon. A day-to-day guide of NASA's 10-day mission. Artemis II flight path
An illustration showing three types of erratic insect movement around artificial lights: orbiting behavior (circling the light), stalling behavior (hovering or moving erratically below the light), and inverting behavior (flipping or spiraling near the light), each with labeled diagrams of the insects' body orientation. Insects are frequently seen flying in erratic patterns around artificial lights.
Periodic table of the elements with color-coded categories and labeled element groups, showing atomic numbers, symbols, and basic information for each chemical element. Interactive periodic table: Lanthanides
Bar chart showing the 10 most given boy names in the U.S. in the 1880s, with John, William, and James as the top three, and counts for each name. What are the most popular names in the U.S.?
Screenshot of a world geography quiz game start screen with options for game modes, instructions, and a green Start Quiz button. Geography Quiz: Identify Countries of the World
Text box titled Popularity of movie genres over time, explaining how film genres have risen and fallen in popularity, over a faded background image of a vintage movie set. Popularity of movie genres over time
Interactive Gregorian calendar tool with fields for year, month, day, and era, set to December 8, 2025, and a blue Calculate button at the bottom. Calendar conversion
Diagram showing a smartphone from the front and back, with labeled callouts highlighting key components: touchscreen, antennas, camera lens, random-access memory, system-on-chip, and lithium-ion battery. Key components and hardware of a smartphone
suborder Serpentes suborder Serpentes
A meter showing a range of decibels Sound
Infographic summarizing FIFA World Cup history, including record tournament attendances, most appearances and top goal scorers by player and country, a map of 2026 host cities, and a timeline of past winners and milestones. FIFA World Cup records
Learn about the history of women's suffrage in the U.S. states Learn about the history of women's suffrage in the U.S. states
Infographic titled Guide to football (soccer) explains basic rules, showing a player silhouette with green areas labeled legal for feet and head, and orange areas labeled illegal for hands and arms. Includes match duration and extra time details. Football (soccer) rules
Interactive map of major trade routes of ancient Greece and Phoenicia Interactive map of major trade routes of ancient Greece and Phoenicia
Plant diversity Plant diversity
Form page titled “Is it a prime number?” showing an input box labeled “Enter a number between 0 and 1,000,000.” and a green “Check” button. Is it a prime number?
Infographic titled Common characteristics of toxic animals shows a timber rattlesnake, strawberry poison dart frog, and monarch butterfly, with callouts noting stillness, loud noises or smells, and bright distinctive markings. Common characteristics and warning signs of toxic animals
Infographic of a tardigrade, or water bear, with close-ups of its toothed mouth, egg-filled saclike ovary, clawed legs, and four pairs of limbs. Labels explain that tardigrades lack respiratory and circulatory organs, use body fluid to transport oxygen and nutrients, and can enter a dehydrated dormant state called a tun. Tardigrade anatomy infographic showing physical features and survival adaptations
Illustration of the Nancy Grace Roman Space Telescope with labeled features including solar array sun shield, communications antenna, primary mirror, coronagraph, and wide field instrument. Insets compare its field of view to Hubble and show its ability to block glare for imaging planets. A scale diagram shows the mirror's 2.4 meter diameter. Nancy Grace Roman Space Telescope diagram and key features
Illustration of a Portuguese caravel with triangular lateen sails, a high sterncastle, bow tower, and sternpost rudder, highlighting features that made it fast and maneuverable for exploration. Anatomy of a caravel: Key features of the Portuguese exploration ship
Diagram titled Components of a catapult labels its basket, throwing arm, frame, winding winch, fulcrum, and torsion engine, explaining how stored torsion launches a projectile. Catapult components diagram showing parts and how a torsion catapult works
Sepia-toned map of Greenland, with the label Greenland highlighted in blue. Who Governs Greenland?
Tick-borne diseases Tick-borne diseases
U.S. military presence around the world U.S. military presence around the world
Interactive chart showing the growth in the prices of concert tickets and ganeral admission to Walt Disney World versus the U.S. Consumer Price Index. Theme park passes rose at twice the rate of inflation, but concert tickets grew significantly more, at over 400% from 1996 to 2025. Growth in ticket prices, 1996–2005
Changes in federal funding for public broadcasting in the United States Changes in federal funding for public broadcasting in the United States
Diagram explaining air quality index (AQI) levels with a color-coded bar from green (good) to maroon (hazardous), describing health risks as air quality moves from healthy to unhealthy. Air Quality Index (AQI) values and their explanation.
How Are Olympic Sports Scored? How Are Olympic Sports Scored?
Olympic Athletes vs. Animals Olympic Athletes vs. Animals
Text quote reading: Together, we shall write an American story of hope, not fear. Of unity, not division. Of light, not darkness. Attributed to Joe Biden's inaugural address, January 20, 2021. Biden inaugural
Text reading There is nothing wrong with America that cannot be cured by what is right with America, attributed to Bill Clinton's first inaugural address, January 20, 1993. Clinton's first inaugural address, January 20, 1993
Diagram of a sewing machine with labeled parts including the needle, presser foot, wheels and dials, and bobbin, along with explanations of each component's function and a lockstitch illustration. A diagram of typical component parts of a modern sewing machine.
Constellation Finder tool displaying labeled constellations in the Northern Hemisphere, with a circular star map and search options on the left. Constellations
Infographic showing the history and evolution of the United States flag, with a timeline of flag designs from 1776 to 1960, each version reflecting newly admitted states. Infographic showing the history of the flag of the United States
States with nuclear weapons States with nuclear weapons
Cod catch in eastern Canada, 1951–2019 Cod catch in eastern Canada, 1951–2019
How fast is the Tour de France? How fast is the Tour de France?
Deadliest Airplane Disasters Deadliest Airplane Disasters
Bar chart of total WNBA regular-season attendance, rising from 0.9 million in 1997 to about 2.2 million in 2000-02, declining to 0.35 million in 2020, then reaching 3.6 million in 2026. WNBA attendance and teams
Interactive bumblebee pollen collection feature with Start button, zoom controls, and a close-up photo of a bee on white flowers. Interactive close-up of a bumblebee collecting pollen in its pollen basket
The Mughal Family Tree The Mughal Family Tree
voyages of Zheng He voyages of Zheng He
Interactive chart titled Historical heights by year of birth, showing male and female height trends from 1800 to present with data points and record-holding tallest and shortest individuals marked by stars. Historical heights by year of birth
Infographic showing the height comparison of notable NBA players, from shortest at 5'3" to tallest at 7'7", with silhouettes of players standing side by side beneath a 10-foot basketball rim for scale behind a blue background. Height comparisons of various NBA players
Periodic table of the elements with color-coded categories and labeled element groups, showing atomic numbers, symbols, and basic information for each chemical element. Interactive periodic table
Infographic summarizing FIFA World Cup history, including record attendances, most appearances and top goal scorers, a timeline of winners, and a map of 2026 host cities across North America. History of the FIFA World Cup
Infographic summarizing World Cup history, including record attendances, top goalscorers, a map of 2026 host cities, and a timeline of past winners. FIFA World Cup records
Photo illustration of the Assembly building in Chandigarh, India, highlighting Brutalist architecture features such as raw concrete, geometric shapes, dramatic sculptural forms, and functional, unornamented design. Key elements are labeled to emphasize the use of low-cost materials and the building's bold, blocky silhouette. Assembly building, Chandigarh, India
Map of the Atlantic Ocean showing North America, Europe, and Africa, illustrating the Triangular Trade network among the 13 Colonies, Caribbean, and Africa. Includes explanatory text. The Middle Passage
Zheng He Zheng He
Infographic titled Mushrooms: Food or Foe shows a 2x2 matrix of mushrooms categorized as common, rare, poisonous, and gourmet, with labeled photos such as death cap, white button, and white truffle. Edible vs. poisonous mushrooms
Fun facts about The Wizard of Oz and Wicked: Part 1 Fun facts about The Wizard of Oz and Wicked: Part 1
Platonic solids Platonic solids
World map showing World Health Organization membership: most countries in blue as member states, United States and a few others in orange as withdrawing, yellow for nonmembers, and green for observer status. Members of the World Health Organization
Which animal is longer? Which animal is longer?
Bobsledding, luge, and skeleton sledding courses Bobsledding, luge, and skeleton sledding courses
Luge Luge
Skeleton sled Skeleton sled
Infographic explaining a government shutdown, showing that when Congress and the president do not approve a budget, nonessential government services stop. It lists what stops and what continues, what gets paid, impacts on workers, businesses, the public, and the economy, notes there is no set end date, and outlines the process to end a shutdown. What is a government shutdown?
Timeline of a government shutdown Timeline of a Government Shutdown
Plan to reopen the government Plan to reopen the government
Two-person boblet Two-person boblet