source: In 1930, he continued his career in the International Marine Radio Company, where he became a director, finally retired from the company in 1950.
target: In 1930, he continued his career in the International Marine Radio Company. He became a director. He finally retired from the company in 1950.
references: In 1930, he continued his career in the International Marine Radio Company. He became a director. He finally retired from the company in 1950.