Christopher J. Huggard
Ambler, James Markham Marshall (30 December 1848–30 October 1881), naval surgeon and explorer, was born in Markham, Virginia, the son of Richard Cary Ambler, a physician, and Susan Marshall. At age sixteen Ambler became a volunteer in the Twelfth Virginia Cavalry. He studied a premedicine curriculum at Washington College in 1865–1867 and then entered the University of Maryland. After acquiring a medical degree in 1870, he practiced in Baltimore until his appointment as an assistant surgeon in the U.S. Navy. During 1874–1875, he was stationed in the North Atlantic. In 1877 he joined the staff of the Naval Hospital at Norfolk, Virginia....