Denis Papin (1647-1712) Pressure Cooker, Steam Engine (1698) David Kirkaldy (1820-1897) Engineering Testing Augustus Waller (1856-1922) Electrocardiogram Benjamin Franklin (1706-1790) Glass Harmonica, Lightning Conductor

Alfred Nobel (1833-1896) Blasting-Cap Detonator, Dynamite Ronald Ross (1857-1932) Communication of Malaria John Cockcroft (1897-1967) Splitting the Atom Dorothy Hodgkin (1910-1994) Crystallography

Richard Arkwright (1732-1792) Cotton Mill George Green (1793-1841) Green's Theorem Isaac Newton (1642-1727) Cat Flap, Gravity, Optical Dispersion