We can not get exact person name who has discovered that "cow give milk". ... The most important dairy animals—cattle, sheep and goats—were first domesticated in Southwest Asia, although domestic cattle had been independently derived from wild .... There are group of ppl who dont drink Cows or any other milk.,. read more
People have been drinking animal milk, and making it into butter, cheese, etc, since prehistoric times. It is not possible to say who first did it, because nobody knows. read more
Cows milk and human milk are extremely different and that's why cows milk is not a good substitute for human milk until it's modified considerably (and even then it's quite inferior to human milk). However, one thing ALL mammal milk has in common is lactose, which is important to brain development. read more