René Primevére Lesson

 René Primevére Lesson, a French naval officer, surgeon, and zoologist, was born Mar. 20, 1794. Lesson was the assistant surgeon on the voyage of La Coquille from 1822 to 1825, which meant, in the tradition of the French navy, that he was also the de facto on-board...

Timothy O’Sullivan

Photographer Timothy O’Sullivan (first image), born c. 1840, died on January 14, 1874. He began his career as an apprentice in Matthew Brady’s New York City studio in the late 1850s, and later worked for Alexander Gardner in the 1860s, traveling with the Union army to...