Charles Rudolph Walgreen Jr. (March 4, 1906 – February 10, 2007) was born in Chicago, Illinois to Charles Rudolph Walgreen, the founder of the Walgreen drug store, and Myrtle Norton Walgreen. Charles took over the company after the death of his father in 1939. He was the president of Walgreens from 1939 until 1963 and the Chairman of the Board from 1963 until 1976.Charles R. Walgreen Jr. started out as a buyer for the company.