Johannes Holtfreter

Johannes Holtfreter
Holtfreter in 1966
Born(1901-01-09)January 9, 1901
DiedNovember 13, 1992(1992-11-13) (aged 91)
NationalityAmerican
Known forChemotaxis
Scientific career
FieldsEmbryology

Johannes Holtfreter (January 9, 1901 – November 13, 1992) was a German-American developmental biologist whose primary focus was the “organizer,” a part of the embryo essential for the development of the proper body plan.