List of Famous Scientist Sponsored Links James Gregory (mathematician) Alexander Gibson (botanist) Arthur James Arnot (81 years)Campbell R. Bridges (2010 years)George Hamilton-Gordon, 4th Earl of Aberdeen (76 years)Alexander R. Todd, Baron Todd (90 years)John Hunter (surgeon) (65 years)Charles Lyell (78 years)John Playfair (71 years)James Mackenzie (cardiologist) (72 years)James Clerk Maxwell (48 years)James Young (Scottish chemist) (72 years)Harold Macmillan (92 years)Stanley Baldwin (80 years)J. J. Thomson (84 years)Alexander Graham Bell (75 years)Sabba S. ÅtefÄnescu (92 years)Radu BÄlescu (74 years)Mario Livio Liviu Constantinescu (83 years) ← OlderNewer →