He obtained his Master's degree in 1942 and continued to undertake research towards his doctorate under F J Murray. However the most significant event in his career happened two years later when Einstein selected him as his assistant.
Siya makuha ang kanyang Master's degree sa 1942 at patuloy na magsagawa ng pananaliksik sa kanyang titulo ng doktor sa ilalim ng FJ Murray. Subalit ang pinaka-makabuluhang kaganapan sa kanyang karera ang nangyari dalawang taon mamaya kapag Einstein napili siya bilang kanyang assistant.