Thrasybulos Georgios Georgiades (Greek: Θρασύβουλος Γεωργιάδης; Athens, 4 January 1907 – Munich, 15 March 1977) was a Greek musicologist, pianist, civil engineer and philosopher. He was for many years director of the Institute of Musicology at the Ludwig Maximilian University of Munich, and he is widely regarded as one of the greatest German musicologists.[1]