Olive MacFarland

Olive Knowles MacFarland (née Hornbrook; 1872–1962) was an American artist and illustrator. She attended Ohio Wesleyan College and earned degrees in physiology at Stanford University. She created watercolor drawings to illustrate the scientific publications of her husband, American malacologist Frank Mace MacFarland, and prepared his notes on opisthobranch mollusks for publication after his death.