Complex sentence: In 1953, Berlin was named president and director of the Piasecki Helicopter inMorton, Pennsylvania, becoming vice-chairman and general manager of the company when it became the Vertol Helicopter division of the Boeing Company in 1960.
Split into simpler sentences: In 1953, Berlin was named president and director of the Piasecki Helicopter in Morton, Pennsylvania. Berlin became vice-chairman and general manager of Vertol when it became a division of the Boeing Company in 1960.