John Arthur Irwin

American physician and medical pioneer

Canadian-American physician

American military doctor, frontier artist and botanical collector

American newspaper editor

Major surgeon US Army

American doctor

Doctor; Founder of Abbott Laboratories

Botanist

American neurologist and psychiatrist

Author of The Tai race, elder brother of the Chinese

Botanical collector

U.S. military surgeon

American gambler, gunfighter, and dentist

American medical doctor

American doctor in Thailand

St. Louis Health Commissioner during the 1918-1920 flu pandemic

Archibald Murray Campbell . He was a physician and surgeon in Westchester County, New York.

Svensk-amerikansk läkare, målare, grafiker och skulptör

American physician and author