Weaver initially intended to train to become an engineer, but he was influenced to move towards applied mathematics and mathematical physics by his teachers, in particular Max Mason .
Weaver simula inilaan sa tren na maging isang inhinyero, ngunit siya ay naiimpluwensyahan na ilipat ang inilalapat sa matematika at matematika physics sa pamamagitan ng kanyang mga guro, sa partikular na Max Mason.