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
Contributions of geometry to the main stream of mathematics
This book explores the significant impact of geometry on the broader field of mathematics. Written by H. S. M. Coxeter, a leading figure in geometry, it delves into how geometric concepts have shaped and continue to influence various mathematical disciplines. Readers will gain insight into the fundamental contributions of geometry to the development of modern mathematics.