William Sidney Porter House William Sidney Porter House The William Sidney Porter House or O. Henry House is a historic structure in Downtown Austin, Texas. William Sidney Porter, better known as the author O. Henry, lived there between 1893 and 1895. The Porter house was added to the National Register of Historic Places on June 18, 1973. The house is known today as the O. Henry Museum. The cottage is a simplified version of the Eastlake Style of architecture. The house was built in 1886 and rented between 1893 and 1895 by William Sidney Porter, better known as the author O. Henry. Porter lived
William A. Porter CA. In 1999, Porter and his wife Joan gave $25 million to MIT's Sloan School of Management: In 2007, the Porters gave 250,000 shares of E-Trade stock to Adams State College (worth approximately $5.8 million at the time), the largest gift in school's history. William A. Porter William A. Porter was an American businessperson who, along with Bernie Newcomb founded the first electronic stock brokerage, E*TRADE. After the success of E*TRADE, Porter also co-founded International Securities Exchange (ISE) with Marty Averbuch and became (the first) chairman of ISE on his 70th birthday in 1998. Porter was the former chief executive