From Ri_Science https://twitter.com/Ri_Science on Twitter: Congratulations to all the new fellows elected by the @royalsociety today! Among them is Christmas Lecturer Frank Close (@closefrank). Here he is in his 1993 lectures, explaining dark matter. https://twitter.com/Ri_Science/status/1390323093592330242/video/1 https://chirp.cooleysekula.net/attachment/71909