Bill Gates, the founder of Microsoft is one of the richest men in the world. In 2005 he (earn) $175 million. In 2000, he and his wife (start) a charity called the Bill and Melinda Gates Foundation. So far they (spend) billions of dollars on health and education. For example, in July 2000, it (give) $40 million to scientists working on new ways to fight malaria. In May 2005, it (provide) more than $11 million for schools and colleges in Chicago. And since 2000, public libraries across the USA (receive) $250 million to pay for computers and Internet access.