Bill Gates away half of its value, as detailed in "The Power of Half". Gates and his wife invited Joan Salwen to Seattle to speak about what the family had done, and on December 9, 2010, Bill and Melinda Gates, and investor Warren Buffett signed a commitment they called the "Giving Pledge." The pledge is a commitment by all three to donate at least half of their wealth over the course of time to charity. Gates has also provided personal donations to educational institutions. In 1999, Gates donated $20 million to the Massachusetts Institute of Technology (MIT) for the construction of a
Bill Gates Sr. to William Henry Gates I or Sr. (1891–1969) and Lillian Elizabeth Rice (1891–1966); the couple had married in 1913. His paternal grandmother was German and his maternal grandmother was English, and he was apparently the "third" William Henry Gates, despite being named the second. Gates was an active member of a Boy Scout troop for several years, and earned the Eagle Scout Award in 1941. After high school he enlisted in the United States Army, changing his name to William Gates Jr. to avoid the appearance of elitism. He fought in World War II and was honorably discharged in November