vi hart meaning in English

vi hart

Participants over the years have ranged from long-time Gardner friends such as Conway, Elwyn Berlekamp, Ronald Graham, Donald Coxeter, and Richard Guy, to newcomers like mathematician and mathematical artist Erik Demaine and mathematical video maker Vi Hart.
Les participants allaient des amis de longue date de Gardner tels que John Horton Conway, Elwyn Berlekamp, Ronald Graham, H. S. M. Coxeter et Richard Guy, aux nouveaux venus comme l'artiste mathématique Erik Demaine et la vidéaste mathématique Vi Hart (en).