Many mosques he built as a young man still stand today.
After Mansa Musa I death in 1331, however, his heirs were unable to hang on to the fortune, and it was substantially depleted by civil wars and invading armies.
The list advertises itself as the top 25, but 26 names appear in the list.
Although the list spans 1000 years, some aspects of wealth appear consistent throughout history; there are no women on the list, only three members are alive today, and 14 of the top 25 are American.
In 1901 he sold his business and dedicated his time to expanding his philanthropic work, including the establishment of Carnegie-Mellon University in 1904.Industrialist and philanthropist Andrew Carnegie was born on November 25, 1835, in Dunfermline, Fife, Scotland.Although he had little formal education, Carnegie grew up in a family that believed in the importance of books and learning.Andrew Carnegie was born on November 25, 1835, in Dunfermline, Scotland.After moving to the United States, he worked a series of railroad jobs.