Godel and, more specifically, Douglas Hodstader discussed Godel in GEB: Completely changed my relationship with certainty, rigor, intellectual humility and, perhaps, inspired in me my characteristic ‘playful’ approach to exploring beliefs
Penrose: Reading him showed me that my aphantasia can be a superpower when it comes to engaging with intricate abstract thoughts - he made me a hand-drawn diagram-based thinker. Through reading his perspectives on phase spaces (in Emepror’s New Mind), Fibre Bundles (in Roads to Reality) and Spinors (in Spinors and Spacetime) I developed a more intimate understanding of our most advanced scientific structures.
Russell: I respected him immensely as a mathematician and polymath. More importantly, he inspired the first serious leap I made from worry about epistemology to thinking about metaphysics