给出一篇英文文章，将其中所有的人名提取出来并按照字母顺序排列，并在输出中用逗号分隔。


William Henry Gates III was born on October 28, 1955 in Seattle, Washington, US. He is an American entrepreneur, software developer, investor, and philanthropist. He is best known as the co-founder of Microsoft Corporation.
Gates, Henry, William