Charles Beat Blankart (May 20, 1942 – October 23, 2023)
Francesco Forte (February 11, 1929 – January 1, 2022)
Heinrich Ursprung (September 28, 1951 – August 17, 2021)
Gebhard Kirchgässner (April 15, 1948 – April 1, 2017)
Domenico da Empoli (September 24,1941 – December 3, 2016)