Career
Egger was a court physician in Vienna. Egger wrote only one scientific papers Egger, J. 1856. Neue Dipteren-Gattungen und Arten aus der Familie der Tachinarien und Dexiarien nebst einigen andern dipterologischen Bemerkungen.
Verh.
Zool-Botany. Gesellschaft Wien 6: 383-92 but this is an important reference. His collection is conserved in Naturhistorisches Museum in Vienna.
