Theodore Gray

Theodore Gray is the author of "Mad Science: Experiments You Can Do at Home - But Probably Shouldn’t" and the "Gray Matter" column in Popular Science magazine. He is the owner of the website periodictable.com and the creator of the iconic photographic Periodic Table poster seen in universities, schools, museums, and various television shows. In another aspect of his life, he is the co-founder of the software company Wolfram Research, which has developed the internationally leading technical software systems Mathematica and Wolfram|Alpha. He lives in Champaign-Urbana, Illinois.