Evans Herbert McLean
Ev·ans(ĕv′ənz), Herbert McLean 1882-1971.
American biologist who discovered vitamin E in 1922 and conducted research that led to the discovery of the growth hormone in the pituitary gland.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.