description: | John Emil Machacek, Bsa, Msa (Saskatchewan) Phd (Mcgill). Was Appointed To Assist Dr. Frank Greaney In Study Of Root Rot Diseases And Their Control. Specialized In Fungicides, Seed Treatment, Root Rots Of Cereals And Mycology. Born June 18, 1902, Dlouha, Trebova, Czech. Served At Dominion Rust Research Laboratory, 1930 - 1966 |