Why is Guy de Maupassant regarded as a major writer of the modern short story?

Guy de Maupassant is widely considered the greatest French short-story writer and a master of the objective form. His status as a major figure in the development of the modern short story is defined by several key contributions:1

• Objective Realism: Maupassant pioneered a dispassionate, realistic style, focusing on l’humble vérité (the humble truth). He presented characters—ranging from the peasantry to the bourgeoisie—without personal moral judgment, instead using precise imagery and rigorous economy of language to reveal their essential personalities.2
• Comprehensive Scope: His vast body of work, comprising some 300 stories, provides a comprehensive portrait of French life between 1870 and 1890. He skillfully captured the daily preoccupations, social structures, and emotional problems of his time.2
• Technical Mastery: He is credited with inventing a new, high-quality commercial short story format. His stories often function as anecdotes that capture a single, revealing moment in a character's life, frequently utilizing well-plotted designs and sharp, reductive, or satiric techniques to expose hypocrisy and human behavior.213
• Psychological Insight: Beyond his realistic depictions, he brought profound psychological insight to his tales, including those exploring the supernatural and the onset of madness.23