What group was the heir to Walter L. Morgan at Wellington Management Company founder of?
Walter L. Morgan: Walter L. Morgan (July 23, 1898 – September 2, 1998) was the founder of the Wellington Fund, the first balanced mutual fund in the United States and one of the oldest surviving mutual funds. John C. Bogle:  He is the founder and retired chief executive of The Vanguard Group.
i don't know