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 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 officer, board member, and chairman emeritus of E*TRADE. In 2000, CNN called Porter the "forefather of online trading". Later in his life he donated money to businesses and nonprofits benefiting organic farming, recreation and community building on Kauai's North Shore. He died October 15,