Microsoft co-founder Paul Allen dies at 65

In this Sept. 17, 2017 photo, Seattle Seahawks owner Paul Allen waves as he is honored for his 20 years of team ownership before an NFL football game against the San Francisco 49ers in Seattle. Allen, who co-founded Microsoft with his childhood friend Bill Gates before becoming a billionaire philanthropist who invested in conservation, space travel, arts and culture and professional sports, died Monday. He was 65. (AP Photo/Elaine Thompson)
Paul Allen's estate, also known as the Thurston Estate, is seen behind Ahuena Heiau at Kamakahonu Bay. (Laura Ruminski/West Hawaii Today)
Paul Allen's estate, also known as the Thurston Estate, can be seen from Kailua Pier. (Laura Ruminski/West Hawaii Today)
Paul Allen's estate is located on the point next to Kamakahonu Bay. (Laura Ruminski/West Hawaii Today)
Paul Allen's estate, also known as the Thurston Estate, is located on the point next to Kamakahonu Bay. (Laura Ruminski/West Hawaii Today)
Paul Allen's estate, also known as the Thurston Estate, is located on the point next to Kamakahonu Bay. (Laura Ruminski/West Hawaii Today)
An aerial view of the Thurston Estate. (Google Maps/Special to West Hawaii Today)
Microsoft Chairman Bill Gates, left, chats with Portland Trail Blazers owner and former business partner Paul Allen during a 2013 game between the Trail Blazers and Seattle SuperSonics in Seattle. Allen, billionaire owner of the Trail Blazers and the Seattle Seahawks and Microsoft co-founder, died Monday, Oct. 15 at age 65. (AP Photo/Elaine Thompson, File)

SEATTLE — Paul G. Allen, who co-founded Microsoft with his childhood friend Bill Gates before becoming a billionaire philanthropist who invested in conservation, space travel, arts and culture and professional sports, died Monday. He was 65.