Benjamin Franklin performed a beautiful experiment using surfactants; on a pond at Clapham Common he poured a small amount of oleic acid a natural surfactant which tends to form a dense film at the water-air interface. He measured the volume required to cover all the pond. Knowing the area he then knew the height of the film something like three nanometers in our current units. ~ Pierre-Gilles de Gennes 1932 to 2007
Euclid’s work ought to have been any educationist’s nightmare… it never offers any “motivations ” it has no illuminating “asides ” it does not attempt to make anything “intuitive ” and it avoids “applications” to a fault. It is so “humorless” in its mathematical purism that… …it should have been spurned by students and “progressive” teachers in every generation. But it nevertheless survived intact all the turmoils ravages and illiteracies of the dissolving Roman Empire of the early Dark Ages of the Crusades and of the plagues and famines of the later Middle Ages. ~ Salomon Bochner 1899 – 1982 - Mathematician
Sushruta (600 BC) Vedic India – inventor of Plastic Surgery Cataract Surgery Rhinoplasty.
Willem Johan Kolff (1911–2009) Netherlands – artificial kidney hemodialysis machine.
Cornelius Drebbel (1572–1633) The Netherlands – first navigable submarine.
Igor Sikorsky (1889–1972) Russia/USA – first four-engine fixed-wing aircraft (Russky Vityaz) first airliner and purpose-designed bomber (Ilya Muromets) modern helicopter Sikorsky-series helicopters.
George Pullman (1831–1897) USA – Pullman sleep wagon.
Mark Serrurier (1904–1988) USA – Serrurier truss for Optical telescopes.
Bernard Silver (1924–1963) together with Norman Joseph Woodland (1921–2012) USA – Barcode.
Isaac Singer (1811–1875) USA – sewing machine.
Simon Sze (born 1936) Taiwan/USA together with Dawon Kahng (1931–1992) South Korea – Floating-gate MOSFET.
Şerafeddin Sabuncuoğlu (1385–1468) Turkey – illustrated surgical atlas.
Kia Silverbrook (born 1958) Australia – Memjet printer world's most prolific inventor.
E. K. Gauzen Russia – three bolt equipment (early diving costume).
Hans Lippershey (1570–1619) The Netherlands – telescope.
Frank Pantridge (1916–2004) Ireland – Portable defibrillator.
Moritz von Jacobi (1801–1874) Germany/Russia – electrotyping electric boat.
Robert Hooke (1635–1703) UK – balance wheel iris diaphragm acoustic telephone.
Anthony Michell (1870–1959) Australia – tilting pad thrust bearing crankless engine.
Thomas Wedgwood (1771–1805) UK – first (not permanent) photograph.
Bryan Donkin (1768–1855) UK – print industry composition roller.
Aeneas Coffey (1780–1852) Ireland – heat exchanger Coffey still.
Suppose we have an unknown number of objects. When counted in threes 2 are left over when counted in fives 3 are left over and when counted in sevens 2 are left over. How many objects are there? ~ Sunzi The Mathematical Classic of Sunzi - Chinese mathematics problem from c. 450 AD
Physics is actually too hard for physicists. ~ David Hilbert 1862 to 1943 (Mathematician)
All increasing or dominant species (and it is from these that new species arise) vary considerably in all their parts organs and faculties in every generation. ~ Alfred Russel Wallace 1823 to 1913 - Zoologist Evolutionary Biologist
Our thoughts visions and fantasies have a physical reality. A thought is made of hundreds of electrochemical impulses. ~ Carl Sagan 1934 to 1996 Astrobiologist Planetary Scientist
On the principle of successive variations not always supervening at an early age and being inherited at a corresponding not early period of life we can clearly see why the embryos of mammals birds reptiles and fishes should be so closely alike and should be so unlike the adult forms. ~ Charles Darwin 1809 to 1882 - Naturalist Evolutionary Biologist
Botany consists in the gathering of plants and the dismembering of them in connection with the use of a complicated terminology. That is the beginning and end of botany as it is understood by the majority. ~ Herbert Maule Richards 1871 to 1928 - Botanist
Outstanding examples of genius – a Mozart a Shakespeare or a Carl Friedrich Gauss – are markers on the path along which our species appears destined to tread. - Fred Hoyle 1915 to 2001 Astrophysicist
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