Diego de Borica

American scientist and explorer

American scientist

American plant pathologist

American frontiersman

American cotton broker, oil explorer, and philanthropist

United States Navy officer and Antarctic explorer

American explorer

American botanist

U.S. Navy Underwater Demolition Team, American commercial diver, aquanaut

American journalist

Hunter and explorer

American naturalist, writer and explorer

American explorer and photographer

Polar explorer

American glaciologist, topographer, cartographer, hydrographer, geologist, geographer, and ethnologist

Anglo-Irish explorer

American botanist and myriapodologist

American politician, 26th President of the United States

American explorer, writer, and diplomat