He only had a few months with Galileo, however, before that famous scientist died in January 1642. Delaying his return to Rome for a while after Galileo died, Torricelli was appointed to succeed Galileo as the court mathematician to Grand Duke Ferdinando II of Tuscany.
Siya lamang nagkaroon ng ilang buwan sa Galileo, gayunman, bago na bantog na siyentipiko namatay sa Enero 1642. Bimbin kanyang bumalik sa Roma para sa isang habang pagkatapos Galileo namatay, Torricelli ay hihirangin upang magtagumpay Galileo bilang ng mga hukuman dalubbilang sa Grand Duke Ferdinando II ng Tuscany.