SCIENCE: Selection of individual ink signatures, each to the verso of colour picture postcards addressed to the Italian collector Roland Sensini, ...

SCIENTISTS: An unusual 4to sheet of paper featuring the manuscript heading Le mot de la fin in the hand of a researcher, followed by the question ...

DELAMBRE JEAN-BAPTISTE: (1749-1822) French Mathematician and Astronomer. Director of the Paris Observatory. An excellent A.L.S., `Delambre´, one p...

MAUVAIS VICTOR : (1809-1854) French Astronomer and Politician. Mauvais won the Lalande Prize in 1843 for the discovery of comet C/1843. He is cred...

BUFFON COMTE DE: (1707-1788) Georges-Louis Leclerc, Comte de Buffon. French Naturalist and Mathematician. Widely regarded as the father of natural...

DARWIN CHARLES: (1809-1882) English naturalist, famous for his theory of evolution published in On the Origin of Species (1859). A fine A.L.S., Ch...

MEDICINE: Selection of individual ink signatures, each to the verso of colour picture postcards addressed to the Italian collector Roland Sensini,...

FABRE JEAN HENRI: (1823-1915) French Naturalist and Entomologist. A pioneer in Ethologie. Fabre was best known for his popular books on the lives ...

EVANS HERBERT MCLEAN: (1882-1971) American anatomist and embryologist, best known for co-discovering Vitamin E. Manuscript Document, unsigned, one...

GILLES DE LA TOURETTE GEORGES: (1857-1904) French neurologist and the namesake of Tourette syndrome, whose main contributions in medicine were in ...

BEST CHARLES H.: (1899-1978) American-Canadian medical scientist, one of the co-discoverers of insulin. D.S., Charles H. Best, two pages, 4to, n.p...

SELYE HANS: (1907-1982) Hungarian-Canadian endocrinologist, considered the first to demonstrate the existence of biological stress. T.L.S., Hans S...

PÉAN JULES-EMILE: (1830-1898) French Surgeon, one of the most reputed surgeons of the 19th century. Péan was the first surgeon to make a successfu...

 ‘….taking just enough to enable the bone to be replaced:antiseptic management being of course assured’ LISTER JOSEPH: (1827-1912) British surgeon...

PASTEUR LOUIS: (1822-1895) French chemist and microbiologist, renowned for his discoveries of the principles of vaccination and pasteurisation. A ...

PASTEUR LOUIS: (1822-1895) French chemist and microbiologist, renowned for his discoveries of the principles of vaccination and pasteurisation. An...

                       `…I cannot accept it because you have not been bitten…´ PASTEUR LOUIS: (1822-1895) French Chemist & Microbiologist. An exce...

COUE EMILE: (1857-1926) French psychologist and pharmacist. A.Q.S., E. Coue, on a small oblong 12mo card, n.p., n.d. In blue fountain pen ink Coue...

FREUD ANNA: (1895-1982) Austrian-British Psychoanalyst. Youngest child of Sigmund Freud. Considered, alongside Melanie Klein, the founder of psych...

LAENNEC RENE: (1781-1826) French physician who invented the stethoscope in 1816 and pioneered its use in diagnosing various chest conditions. A ra...

BREGUET LOUIS: (1804-1883) French Physicist and Watchmaker. Grandson of Abraham Louis Breguet, founder of the watch manufacturing company Breguet....

BRANLY EDOUARD: (1844-1940) French inventor and physicist, known for his early involvement in wireless telegraphy. A.L.S., Edouard Branly, one pag...

Einstein signs his scientific equations, noting that they are ‘From the graveyard of buried hopes’ EINSTEIN ALBERT: (1879-1955) German-born theore...

EINSTEIN ELSA: (1876-1936) Cousin and the second wife of Albert Einstein, married from 1919-36. A brief A.L.S., Elsa Einstein, one page, 8vo, n.p....

MAUPERTUIS PIERRE LOUIS: (1698-1759) French Mathematician and Philosopher. Maupertuis was the first President of the Prussian Academy of Sciences ...

CONDORCET NICOLAS DE: (1743-1794) Marquis de Condorcet. French philosopher & mathematician. D.S., Condorcet, in his capacity as Permanent Secretar...

MALUS ETIENNE-LOUIS: (1775-1812) French Officer, Engineer, Physicist and Mathematician. Malus participated in Napoleon´s expedition to Egypt. He i...

‘I would not have been so rudely offended by the rigorous application of the law of the last Budget’ LEGENDRE ADRIEN-MARIE: (1752-1833) French ma...

POINCARÉ HENRI: (1854-1912) French Mathematician, Physician and Engineer. A Polymath widely regarded as ''The Last Universalist''. Poincaré was th...

FEKETE MICHAEL: (1886-1957) Hungarian-Israeli mathematician. Manuscript D.S., M. Fekete, one page, 4to, n.p. (Jerusalem, Israel), 19th November 19...

KARMAN THEODORE VON: (1881-1963) Hungarian-American mathematician, aerospace engineer and physicist. Autograph statement signed, Th Karman, one pa...

FREUDENTHAL HANS: (1905-1990) Jewish-German-born Dutch mathematician who made substantial contributions to algebraic topology. Concluding third (a...

BRUNEL MARC ISAMBARD: (1769-1849) French-British engineer who constructed the Thames Tunnel. Father of Isambard Kingdom Brunel. A.L.S., Mc. I. Bru...

DROVETTI BERNARDINO: (1776-1852) Italian-born French Diplomat, Politician, Archaeologist and antiquities collector. Drovetti is best-remembered fo...

BAIRD JOHN LOGIE: (1888-1946) Scottish inventor & electrical engineer who demonstrated the world's first live working television system in January...

ECONOMISTS: Selection of individual ink signatures, each to the verso of colour picture postcards addressed to the Italian collector Roland Sensin...