Late Microsoft co-founder's treasure hoard of artefacts to be auctioned, includes a letter Einstein sent to Roosevelt that ultimately led to the Manhattan Project
Paul Allen was the co-founder of Microsoft, a computing pioneer, and one of the world's great philanthropists. Allen died in 2018, at the age of 65, and at the time his co-founder Bill Gates paid tribute to «a brilliant technologist and philanthropist who wanted to accomplish great things, and did.»