Mary Jane Guthrie (December 13, 1895 – February 22, 1975) was an American zoologist and cytologist known for her studies of cytoplasm in reproductive and endocrine cells.
She graduated from the University of Missouri with a bachelor's degree in 1916 and a master's degree in 1918, then earned her Ph.D. in zoology at Bryn Mawr College in 1922.
While working towards her Ph.D., Guthrie served as a zoology instructor and demonstrator.
Guthrie was known for her writing about zoology; she wrote several textbooks on the subject that were widely used.
[2][3] Guthrie left the University of Missouri for Wayne State University in Detroit in 1950, and stayed there until her 1960 retirement; in 1951 she was given a concurrent appointment at the Detroit Institute for Cancer Research.