Complex sentence: During World War II, Davis worked for the Naval Ordnance Laboratory, where she was part of the Acoustic Division and, at one point, was under the supervision of John Bardeen, inventor of the transistor.
Split into simpler sentences: During World War II, Davis worked for the Naval Ordnance Laboratory. She was part of the Acoustic Division and, at one point, was under the supervision of John Bardeen, inventor of the transistor.