Clark and the brother of Henry F. Clark and Ray (Jean) Clark. John was predeceased by his son ... at Iowa State University, earning his Doctor of Veterinary Medicine (DVM) in 1958.

Comedian John Oliver is being sued after an episode ... allege the "Last Week Tonight" team intentionally took clips of the doctor out of context in order to spark outrage and make him the face ...

Clark and the brother of Henry F. Clark and Ray (Jean) Clark. John was predeceased by his son ... went on to study Veterinary Medicine at Iowa State University, earning his Doctor of Veterinary ...