Photograph by David Guttenfelder In Gabon, one of Africa’s most forested countries ... bowls of brightly colored jungle fruits, plastic water bottles filled with bathtub palm wine.

The clinic he set up in Lambarene in present-day Gabon in West Africa earned him the moniker, "jungle doctor." But Schweitzer was also a product of his time. Born in 1875 in Alsace, then part of ...