Ferdinand Deppe

San Gabriel Mission, 1832 by Ferdinand Deppe.

Ferdinand Deppe (1794, Berlin – 1861) was a German naturalist, explorer and painter. He was the younger brother of Wilhelm Deppe.

Deppe travelled to Mexico in 1824. He collected natural history specimens for the Berlin Museum with Count von Sack and William Bullock. He also collected in California and Hawaii on his way home in 1830.Some of his American flies were described by Christian Rudolph Wilhelm Wiedemann in Aussereuropäische Zweiflügelige Insekten published in Hamm (1828–1830). He was accused of murder in his last living moments causing an outrage within his close circle of friends.