H
H. S. M. Coxeter
Harold Scott MacDonald "Donald" Coxeter, CC, FRS, FRSC was a British and later also Canadian geometer. He is regarded as one of the greatest geometers of the 20th century. --Wikipedia
Mathematical recreations and problems of past and present times
This book explores a wide array of mathematical puzzles and historical problems, ranging from ancient recreations to more modern challenges. It delves into topics such as magic squares, geometry, ciphers, and the intriguing world of hyperspace. Readers will discover the fascinating intersection of mathematics, logic, and historical inquiry.