when was freezing first used and by whom?

Question

who, what, where, when, how

Answer 1

Roman emperors used to have their slaves run up mountains to fetch snow to make early versions of sherbet. Before that in the times of prehistory nameless hunters were using that technique to preserve dead animals.

Answer 2

Clarence Birdseye

The link below tells you:

http://en.wikipedia.org/wiki/Clarence_Birdseye

http://www.fcps.k12.va.us/westspringfieldhs/academic/english/1project/99gg/99gg4/food.htm