Edmond W.H. Lee, a full professor at the Department of Mathematics, Nova Southeastern University, USA, has recently defended his Doctor of Sciences (DSc) thesis at the Dissertation Council in Mathematics, HSE University. The DSc in Russia is a higher doctoral degree that can be earned after the PhD. Professor Lee’s defence was held over Zoom, with the candidate and his dissertation committee members participating remotely from 5 cities in Brazil, Israel, Russia, and the USA. Lee became the first international recipient of a DSc degree in Mathematics from HSE University.