Complex sentence: Gajdusek became head of the laboratories for virological and neurological research at the National Institutes of Health (NIH) in 1958 and was inducted to the National Academy of Sciences in 1974 in the discipline of microbial biology.
Split into simpler sentences: Gajdusek became head of the laboratories for virological and neurological research at the National Institutes of Health (NIH) in 1958. Gajdusek was inducted to the National Academy of Sciences in 1974 in the discipline of microbial biology.