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
Campus of the University of Washington main campus, facing Greek Row. William H. Gates Hall houses the University of Washington School of Law. It is located off of 15th Avenue Northeast at the northwestern corner of the University of Washington campus. William H. Gates Hall, located south of the Burke Museum of Natural History and Culture, has of space. The building is named for William H. Gates, Sr., a lawyer who served as a partner of the Preston Gates & Ellis law firm. William H. Gates, Sr.'s son, William Henry "Bill" Gates III, provided most of the funding for the building. Bill Gates and his wife