It was very sad to hear of David’s passing. He was a kind and generous person who will be missed by everyone he met. I first met David when he was external examiner for cell biology at the University of Manchester. His knowledge of the subject was second to none, and his ability to put students are ease when they were under difficult exam conditions is a quality only seen in people who genuinely care for others. Just before lockdown, David contacted me about co-writing a research grant. Against stiff opposition we were successful in securing that grant, which was down to David’s exceptional scientific knowledge and his ability to convey complex scientific concepts using simple language. It was a privilege and a joy to work with David. I will always remember his positive attitude, his humour, his ability to put people at ease, and the warm smile on his face even in the darkest of times. My deepest condolences to his family at this very sad time.