Hippocrates

Galen

Andre Vesalius

Ambroise Pare

William Harvey

Edward Jenner

James Simpson

Robert Liston

Joseph Lister

John Snow

Edwin Chadwick

Florence Nightingale

Mary Seacole

Louis Pasteur

Robert Koch

Ignaz Semmelweiss

Alexander Fleming

Aneurin Bevan

Harold Gilles

Asclepius

Hygeia (hygiene) and Panacea ('cure all')