Who was the president of AFL-CIO from its merger until 1979?

The president of the AFL-CIO from its merger in 1955 until 1979 was George Meany. He played a significant role in uniting the American Federation of Labor (AFL) and the Congress of Industrial Organizations (CIO) and was a prominent advocate for labor rights during his tenure. Meany's leadership helped strengthen the labor movement in the United States during a period of significant social and economic change.