Discoverer of universalism and the (deeply connected) Sleeping Beauty problem. Personal identity videos can be found at https://www.youtube.com/channel/UCqVoAiOfI-N4NYkTgWBzZ0g and unpublished papers, including 'Time, Self and Sleeping Beauty' and 'My 8 Big Ideas', at https://www.researchgate.net/profile/Arnold_Zuboff