Richard Lower

…middle of the 17th century, Richard Lower and Christopher Wren, working at the University of Oxford, demonstrated that drugs could be injected into the bloodstream of dogs using a hollow quill. In 1853 the French surgeon Charles Gabriel Pravaz invented the hollow hypodermic needle, which was first used in the…

…dogs in 1665 by physician Richard Lower. In November 1667 Lower transfused the blood of a lamb into a man.

…and in 1666 English physician Richard Lower performed the first successful animal-to-animal transfusion.