As a theoretical physicist who specializes in cosmology and gravitation, I naturally had many opportunities to interact with Stephen Hawking before his death. We attended the same physics conferences, where he was always rightfully celebrated as one of the world’s great scientists. He regularly visited the California Institute of Technology, where I work as a researcher. And, in perhaps my greatest contribution to world culture, I helped arrange Stephen’s cameo appearance on The Big Bang Theory. Original Article: Stephen Hawking Was Very Particular About His Tea