Business magnate, investor, and philanthropist. Co-founder of Microsoft and key figure in the microcomputer revolution of the 1970s and 1980s.

Politician who served as the 44th president of the United States from 2009 to 2017. First African-American president. Former U.S. senator and Illinois state senator. Civil rights lawyer and university lecturer.

Retired anesthesiologist. Sometime harpsichordist. Still meaning to finish Ulysses.Mastodon @hbrucetriplett@mastodon.world

Exercise scientist, physical therapist, cancer researcher & bicycle geek. Trying to figure out #Mastodon. Find me at: @Kristin_campbell@med-mastodon.com