Mr. John (Rockefeller) Prentice owned six AI organizations across the US from the mid-1940's.  On the basis of development of frozen semen, much done by his staff, he consolidated his organizations to form American Breeders Service (DeForrest, WI).  In 1953, he underwrote the development of a stainless steel vacuum container to store semen at -196°C.  Circa 1953.

John Rockefeller Prentice

Credit: Robert Foote

Digital Credit: Harold Hafs

Publisher: None

Rights: No rights reserved - image is in the public domain

Description: Mr. John (Rockefeller) Prentice owned six AI organizations across the US from the mid-1940's. On the basis of development of frozen semen, much done by his staff, he consolidated his organizations to form American Breeders Service (DeForrest, WI). In 1953, he underwrote the development of a stainless steel vacuum container to store semen at -196°C. Circa 1953.

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