Ernest Basil Verney (1894–1967) succeeded Clark. He held the Chair of Pharmacology from 1926 to 1934.
While at UCL Verney discovered the antidiuretic hormone and also the mechanism by which structures in the brain sense minute changes in blood osmotic pressure.  Both findings were of profound importance for the understanding of water and electrolyte balance. Verney was also instrumental in arranging for Otto Krayer to come to the department, albeit for only a short period, following Krayer's exclusion from all academic positions in German universities because of his objection to the expulsion of Jewish scientists from their posts. Krayer was later to head the Department of Pharmacology at Harvard with the greatest distinction. 
In 1934 Verney moved to an academic post at the University of Cambridge where he later became the first Sheild Professor of Pharmacology