“…Hans Fischer (1881-1945, the recipient of the 26th Nobel Prize for Chemistry (1930), has not been honored philatelically. Bosch (1931) The 27th Nobel Prize for Chemistry (1931) was shared between the German industrial chemists Carl Bosch (1874Bosch ( -1940 (70) and Friedrich Bergius (1884Bergius ( -1949 (71), both of the I. G. Farbenindustrie Aktiengesellschaft, "in recognition of their contributions to the invention and development of chemical high pressure methods" (ref 63, pp 187-279). Of the two, only Bosch has been honored philatelically (stamp no.…”