Harry Collins is Distinguished Research Professor at Cardiff University. He is an elected Fellow of the British Academy and winner of the Bernal prize for social studies of science. His c25 books cover, among other things, sociology of scientific knowledge, artificial intelligence, the nature of expertise, tacit knowledge, and technology in sport. His contemporaneous study of the detection of gravitational waves has been continuing since 1972 and he has written four books and many papers on the topic. He is currently looking at the impact of the coronavirus lockdown on science due to the ending of face-to-face conferences and workshops and on the role of science in safeguarding democracy.