Born into a
Jewish merchant family, he studied in
Tübingen,
Leipzig and
Berlin and from 1870 stayed in
Greece,
Italy and
Asia Minor as a stipendary of the
German Archaeological Institute. From 1875 to 1877 he led the German excavations at
Olympia, for which he was appointed
extraordinary professor (1878) then
ordinary professor (1880) at the
University of Königsberg. ==Works==