Complex sentence: He was world-renowned as an expert in marine mammal medicine and from 1968 was the vet in charge of the first killer whale to be kept in the UK-Cuddles, at Flamingo Park, North Yorkshire.
Split into simpler sentences: He was world-renowned as an expert in marine mammal medicine. From 1968, he was the vet in charge of Cuddles, the first captive killer whale to be kept in the UK, at Flamingo Park, North Yorkshire.