'Mannie' Lunz was born in Benoni on 4 May 1924. He was educated at King Edward VII School in Johannesburg and studied medicine at the University of Witwatersrand, qualifying in 1946. After junior posts at Johannesburg General Hospital he went to England to study orthopaedics under Professor Brian McFarland in Liverpool from 1946 to 1953, passing the FRCS and the MCh Orth of Liverpool. On his return to Johannesburg he was appointed orthopaedic surgeon at the Johannesburg Hospital and lecturer in the Department of Orthopaedic Surgery at Witwatersrand. In 1958 he was awarded the first American-British-Canadian (ABC) travelling fellowship. Mannie was an enthusiastic teacher and an early proponent of the Muller total hip arthroplasty. In 1959 he set up in private practice in Johannesburg but remained consultant surgeon to the Mines Benefit Society and Mines Cotteslow Hospital. He was an examiner in the final orthopaedic fellowship examination of the College of Medicine of South Africa. He died on 4 May 1994, his seventieth birthday.