John Chalmers DaCosta

John Chalmers DaCosta (1863–1933) was an American surgeon and physician.

Life
He was born in Washington DC on November 15, 1863.

After the American Civil War, his family moved to Philadelphia and John Chalmers' interest in surgery began. He studied chemistry at the University of Pennsylvania for two years, and then attended Jefferson Medical College, graduating as class valedictorian in 1885.