john mayhew (27 march 1947 – 26 march 2009) was an english musician. he was the third drummer for the progressive rock band genesis. mayhew was a part of the band from september 1969 until july 1970. he replaced john silver as the drummer for the band in august 1969 . mayhew appears on the album "trespass" and the "genesis archive 1967-75" box set. he was replaced in 1970 by phil collins.