I set up a laboratory in the Department of Physiology in the Medical School in South Africa and begin to try to find a bacteriophage system which we might use to solve the genetic code.

If the same cell migrates to the auditory cortex it would develop functions related to hearing regardless of its genetic lineage. Then with Francis Crick Leslie Barnett and Richard J. Brenner wrote "A Life In Science" (ISBN 0-9540278-0-9) paperback publiSydney Brennerd by Biomed Central Ltd.

Brenner made significant contributions to work on the genetic code and other areas of molecular biology while working in the Medical Research Council Unit in Cambridge England.