Esau Aabsolutely dominated the field of plant anatomy and morphology for several decades,@ according to Peter Raven, director of the Missouri Botanical Garden.
Esau was a Mennonite of German descent who was born in Ukraine. She studied in Moscow until 1917. She and her family then sought refuge in Germany, and in 1922, she and her parents emigrated to the US and settled in Reddley, Calif. She taught at the University of California, Santa Barbara campus, and was just the sixth woman ever to be elected to the National Academy of Sciences. Her book Plant Anatomy, was the leading text on plant structure and is now considered a classic.
CMBC news release