✨️#48 of #85ThingsAboutDIAS John Herivel was a mathematician and one of the codebreakers at Bletchley Park during the Second World War. He is best known for the "Herivel Tip" a breakthrough that became one of the key methods used to crack the German Enigma cipher in 1940. In 1956, he joined the Dublin Institute for Advanced Studies (DIAS) as a visiting scholar, becoming part of the Institute's distinguished tradition of mathematical and scientific research. #DIASdiscovers