Dictionary
De Vries
Pronunciation: (du vrēs'; Du. du vrēs'), [key]Hu•go Pronunciation: (hyOO'gō; Du. hy'gō), [key] 1848–1935, Dutch botanist and student of organic heredity: developed the concept of mutation as a factor in the process of evolution.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.