Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
He then worked at the Social Science Research Council from 1958 to 1959.
Source: https://www.cbr.com/lloyd-morrisett-sesame-street-obituary/