This is the only known photograph of Rev. Alfred E. Eaton. It is provided by P. Barnard.
The Eatonia newsletter is named after Rev. Alfred E. Eaton who studied mayflies in England in the late 1800’s and is considered the “father” of the modern classification of mayflies.
Barnard, P., "Alfred E. Eaton - Father of modern classification of mayflies, late 1800's" (1890). Eatonia. 1.