Alfred Joseph Clark

He was a de-bunker of fraudulent remedies and did many early studies on the placebo effect of many claimed cures.

[2] He was born in Glastonbury the son of a Quaker, Francis Joseph Clark of Street, Somerset.

He was educated at Bootham School in Yorkshire, and attended the University of Cambridge, graduating with a BA in 1907 and receiving a postgraduate MA in 1910.

In the First World War he joined the Royal Army Medical Corps and received the Military Cross in 1917[2] for gallantry in France.

[6] In the Second World War he advised the government on gas warfare[3] and was one of the many men evacuated from Dunkirk.