French mycologist (1922–2009).
Marcel Locquin (born 6 May 1922 in Lyon, France; died 18 March 2009) was a French mycologist. Locquin rose to eminence in the field of mycology over several years of work with a number of Nobel Prize winners. He himself won numerous awards. He worked as consultant for many international organizations. He filed many patents in light and electron microscopy.