Bill Gates childhood friends was diagnosed with non-Hodgkin lymphoma and gave more than $2bn over the course of his life

Paul Allen, who co-founded Microsoft with his childhood friend Bill Gates, has died.

Allen’s Vulcan Inc. announced that he died in Seattle at 65 years old.

It is with deep sadness that we announce the death of @PaulGAllen, our founder and noted technologist, philanthropist, community builder, conservationist, musician and supporter of the arts. All of us who worked with Paul feel an inexpressible loss today. https://t.co/OMLZ7ivvSD pic.twitter.com/Bfa8kK6Q8e

— Vulcan Inc. (@VulcanInc) 15 October 2018

Allen’s company Vulcan said in a statement that he died Monday. Earlier this month Allen said the cancer he was treated for in 2009, non-Hodgkin lymphoma, had returned.