John Rzeznik and Burton Cummings, have which mutual occupations?
John Rzeznik John Joseph Theodore Rzeznik ( ; born December 5, 1965) is an American musician, singer-songwriter, and producer. He is best known as the guitarist and frontman of the rock band the Goo Goo Dolls, of which he is a founding member and with whom he has recorded eleven studio albums.
Jan Rzewuski Jan Rzewuski (born December 19, 1916 in Łódź, died September 17, 1994 in Wrocław) was a Polish theoretical physicist, a member of Polish resistance during World War II and a participant in the Warsaw Uprising.