“In 1945 J.A. Ratcliffe ... suggested that I [join his group at Cavendish Laboratory, Cambridge] to start an investigation of the radio emission from the Sun, which had recently been discovered accidentally with radar equipment. ... [B]oth Ratcliffe and Sir Lawrence Bragg, then Cavendish Professor, gave enormous support and encouragement to me. Bragg's own work on X-ray crystallography involved techniques very similar to those we were developing for "aperture synthesis", and he always showed a delighted interest in the way our work progressed.”
![“In 1945 J.A. Ratcliffe ... suggested that I [join his group at Cavendish Laboratory, Cambridge] to start an investigation of the radio emission from the Sun, which had recently been discovered accidentally with radar equipment. ... [B]oth Ratcliffe and Sir Lawrence Bragg, then Cavendish Professor…” quote by Martin Ryle](https://sms4smile.com/quotes/img-quotes/908/martin-ryle-41261_aperture_in-1945-j-a-ratcliffe-suggested-that-i-j_1954869.jpg)
![“If a man has a tent made of linen of which the apertures have all been stopped up, and be it twelve bracchia across (over twenty-five feet) and twelve in depth, he will be able to throw himself down from any height without sustaining injury. [His concept of the parachute.]” quote by Leonardo da Vinci](https://sms4smile.com/quotes/img-quotes/c71/leonardo-da-vinci-330_able_if-a-man-has-a-tent-made-of-linen-of-whi_1700682.jpg)
