Jakob von Uexküll (1864-1944) was born in Estonia and educated at the University of Heidelberg and the Zoological Center in Naples. He published widely and, in 1926, founded the Institute for Environmental Research at the University of Hamburg.

Joseph D. O'Neil is assistant professor of German studies at the University of Kentucky.

A writer and sleight-of-hand magician, Dorion Sagan has written extensively on evolution, cybersex, and the biology of gender.

Geoffrey Winthrop Young is associate professor of Central, Eastern, and Northern European studies at the University of British Columbia.