Dear all, a very sad news: Lawvere’s family asked me to provide you with the message below. Alberto Peruzzi Francis William Lawvere (known to most as Bill) died peacefully yesterday (January 23, 2023) at sunrise, surrounded by family at his home in Chapel Hill, North Carolina after a long period of illness. He was born in Muncie, Indiana on Feb. 9, 1937 and has family, friends and colleagues around the world. No services will be held at this time, however several memorial celebrations of life and scientific work are anticipated. Correspondence with family can be sent to his wife Fatima at fatimaylawvere@gmail.com <mailto:fatimaylawvere@gmail.com> or to 111 East Winmore Ave., Chapel Hill, NC 27516 USA. [For admin and other information see: http://www.mta.ca/~cat-dist/ ]