Peter Lachmann
Sir Peter Julius Lachmann  (23 December 1931 – 26 December 2020) was a British immunologist, specialising in the study of the complement system. He was emeritus Sheila Joan Smith Professor of Immunology at the  University of Cambridge, a fellow of Christ's College, Cambridge and honorary fellow of Trinity College, Cambridge and of Imperial College. He was knighted for service to medical science in 2002. Biography
Born into a Jewish family in Berlin on 23 December 1931, he moved to London in 1938. He went to school at Christ's College, Finchley, then trained in medicine at Cambridge and University College Hospital, graduating in 1956, and obtained PhD (1962) and ScD (1974) degrees at Cambridge in immunology. Scientific work 

Lachmann's primary research interest was the downregulation of the complement alternative pathway as a treatment for age related macular degeneration. He has previously worked on many aspects of complement biology; on microbial subversion of the innate immune response; on the immunology of measles, on systemic lupus erythematosus and on insect sting allergies. 