Goro Shimura, 89, Mathematician With Broad Impact, Is Dead https://nyti.ms/2WOQl1i

His insights provided the foundation for the proof of Fermat’s Last Theorem and led to tools widely used in modern cryptography.
The New York Times Obituaries Deaths (Obituaries), Mathematics, Cryptography, Codes and Ciphers
By KENNETH CHANG from NYT Obituaries
https://nyti.ms/2WOQl1i