It was Casimir Funk- with the help of others but they aren't
known.
View page
Casimir Delavigne's birth name is Jean-Franois-Casimir
Delavigne.
View page
Casimir Funk. He was a Polish biochemist and is generally
credited with being the first to formulate the concept of vitamins.
He called them "vital amines" or "vitamines". It derives from the
Latin 'vita' = life, plus amin from amine.