“All the elements other than hydrogen and helium make up just 0.04 percent of the universe. Seen from this perspective, the periodic system appears to be rather insignificant. But the fact remains that we live on the earth… where the relative abundance of elements is quite different.”

American writer

Sam Kean is an American writer known for books that tell the story of scientific discoveries in a narrative style. He was born in Sioux Falls, South Dakota, and lives in Washington, D.C. He has written for The New York Times Magazine, Mental Floss, Slate, Psychology Today, and The New Scientist. He has also published eight books, and they have been reviewed positively by The Wall Street Journal, Library Journal, and The New York Times.