Claude Bernard died on 1878-02-10.

Bernard-Claude Panet died on 1833-02-14.

Bernard-Claude Panet was born on 1753-01-09.

Claude Bernard first talked about the concept but it was really not discovered.

Claude Bernard was the first person that we know of to recognize the underlying principles of homeostasis.

If you mean was he recognized during his lifetime, yes. He was accorded honors and was given a public funeral. There was a lot of outcry against his vivisections however, so he definitely wasn't popular with everyone.