About the book: 1993 / This book includes two popular science works by the famous American physicist and popularizer of science - the story "Mr. Tompkins in Wonderland", not without humor, which tells about the adventures of a modest bank employee in the wonderful world of the theory of relativity, and the story “Mr. Tompkins Explores the Atom,” which in a lively and relaxed form introduces the reader to the processes occurring inside the atom and the atomic nucleus. The book is intended for schoolchildren, students and anyone interested in modern scientific ideas.