Complex sentence: In 1947 he was named assistant to Congress of Industrial Organizations (CIO) President, Philip Murray, and with the merger of the AFL and CIO in 1955, he served under George Meany until his retirement in 1964 due to ill health.
Split into simpler sentences: In 1947 he was named assistant to Congress of Industrial Organizations (CIO) president Philip Murray. With the merger of the AFL and CIO in 1955, he served under George Meany until his retirement in 1964 due to ill health.