|Birth Day||January 13, 1841|
|Birth Place||United States|
|Age||178 YEARS OLD|
Doctor and biologist who wrote the important text book Treatise on Therapeutics in 1874.
He studied medicine at the University of Pennsylvania.
He edited scientific and medical journals such as New Remedies and The Therapeutic Gazette.
He was born into a wealthy Pennsylvania Quaker family.
One of his ancestors sailed with William Penn from England to America.