Complex sentence: Null was a short-order cook in his 20s in New York City; in the late 1960s, Null was the editor of "Caveat Emptor", a consumer health activist publication.
Split into simpler sentences: Null was a short-order cook in his 20s in New York City. In the late 1960s Null was the editor of "Caveat Emptor", a consumer health activist publication.