Nationalökonom
Schongau, Landkreis Weilheim-Schongau
St. Gallen, Wahlkreis St. Gallen
economist
Switzerland
Theo Keller (* 1. January 1901 in Schongau; † 1. January 1980 in St. Gallen) was a nationalökonom. He was 79 years old. He worked at University of St. Gallen.