(AP Photo/Elaine Thompson, File)
SEATTLE (AP) 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.
He died in Seattle from complications of non-Hodgkin's lymphoma, his company Vulcan Inc. announced.
Gates said he was heartbroken about the loss of one of his "oldest and dearest friends."