Archimedes (287 BCE – c. 212 BCE) Archimedes of Syracuse was an ancient Greek mathematician, physicist, engineer, inventor, and astronomer. Amongst other things he calculated pi and developed the Archimedes screw for lifting up water from mines or wells.
cai lunCai Lun (50–121 CE), Chinese inventor of paper. Cai Lun was a Chinese political administrator credited with inventing modern paper and inventing the paper-making process. His invention included the use of raw materials such as bark, hemp, silk and fishing net. The sheets of fibre were suspended in water before removing for drying.
Leonardo Da Vinci (1452–1519) Italian artist, scientist and polymath. Da Vinci invented a huge range of machines and drew models that proved workable 3-500 years later. These included prototype parachutes, tanks, flying machines and single-span bridges. More practical inventions included an optical lens grinder and various hydraulic machines.
Galileo (1564–1642) Italian scientist. Galileo developed a powerful telescope and confirmed revolutionary theories about the nature of the world. Also developed an improved compass.
Sir Isaac Newton (1642–1726) English scientist. Newton invented the reflecting telescope. This greatly improved the capacity of telescopes and reduced optical distortion. Newton was also a great physicist and astronomer.
thomas-saveryThomas Savery (c. 1650–1715) English inventor. Savery patented one of the first steam engines which was pioneered for use in pumping water from mines. This original Savery steam engine was basic, but it was used as a starting point in later developments of the steam engine.
thomas-newcomenThomas Newcomen (1664–1729) English inventor who created the first practical steam engine for pumping water from mines. He worked with Savery’s initial design, but significantly improved it, using atmospheric pressure which was safer and more effective for use in mines to remove water.
jethro-tullJethro Tull (1674–1741) English agricultural entrepreneur. Tull invented the seed drill and horse-drawn hoe. The seed drill improved the efficiency of farming and led to increased yields. It was an important invention in the agricultural revolution which increased yields prior to the industrial revolution.
abraham-darbyAbraham Darby (1678–1717) English Quaker, inventor and businessman. Darby developed a process for producing large quantities of pig iron from coke. Coke smelted iron was a crucial raw material in the industrial revolution.
John Harrison (1693–1776) English carpenter and clockmaker. He invented a device for measuring longitude at sea. This was a crucial invention to improve the safety of navigating the oceans.
Benjamin Franklin (1705–1790) American polymath who discovered electricity and invented the Franklin stove, the lightning rod and bifocals. Franklin was also an American statesman and an influential figure in the development of modern America.
william-cullenWilliam Cullen (1710–1790) Scottish physician and chemist. He is credited with inventing the basis for the first artificial refrigerator, although it took others to make his designs suitable for practical use.
john-wilkinsonJohn Wilkinson (1728–1808) English industrialist. John ‘Iron Mad’ Wilkinson developed the manufacture and use of cast iron. These precision-made cast iron cylinders were important in steam engines.
richard-arkwrightSir Richard Arkwright (1732–1792) English entrepreneur and ‘father of the industrial revolution.’ Arkwright was a leading pioneer of the spinning industry. He invented the spinning frame and was successful in using this in mass-scale factory production.
James Watt (1736–1819) Scottish inventor of the steam engine, which was suitable for use in trains. His invention of a separate condensing chamber greatly improved the efficiency of steam. It enabled the steam engine to be used for a greater range of purpose than just pumping water.
allesandro-voltaAlessandro Volta (1745–1827), Italian physicist, credited with inventing the battery. Volta invented the first electrochemical battery cell. It used zinc, copper and an electrolyte, such as sulphuric acid and water.
humphrey-davySir Humphrey Davy (1778–1829) English inventor of the Davy lamp. The lamp could be used by miners in areas where methane gas existed because the design prevented a flame escaping the fine gauze.
Charles Babbage (1791–1871) English mathematician and inventor. Babbage created the first mechanical computer, which proved to be the prototype for future computers. Considered to be the ‘Father of Computers,’ despite not finishing a working model.
Michael Faraday (1791–1867) English scientist who helped convert electricity into a format that could be easily used. Faraday discovered benzene and also invented an early form of the Bunsen burner.
samuel-morseSamuel Morse (1791–1872) American inventor Morse used principles of Jackson’s electromagnet to develop a single telegraph wire. He also invented Morse code, a method of communicating via telegraph.
henry-fox-talbotWilliam Henry Fox Talbot (1800–1877) British Victorian pioneer of photography. He invented the first negative, which could make several prints. He is known for inventing the calotype process (using Silver Chloride) of taking photographs.
louis-brailleLouis Braille (1809–1852) French inventor. Louis Braille was blinded in a childhood accident. He developed the Braille system of reading for the blind. He also developed a musical Braille, for reading music scores.
kirkpatrick-macmillanKirkpatrick Macmillan (1812–1878) Scottish inventor of the pedal bicycle. Kirkpatrick’s contribution was to make a rear wheel driven bicycle through the use of a chain, giving the basic design for the bicycle as we know it today.
James Clerk Maxwell (1831–1879) Scottish physicist and inventor. Maxwell invented the first process for producing colour photography. Maxwell was also considered one of the greatest physicists of the millennium.
karl-benzKarl Benz (1844–1929), German inventor and businessman. Benz developed the petrol-powered car. In 1879, Benz received his first patent for a petrol-powered internal combustion engine, which made an automobile car practical. Benz also became a successful manufacturer.
Thomas Edison (1847–1931) American inventor who filed over 1,000 patents. He developed and innovated a wide range of products from the electric light bulb to the phonograph and motion picture camera. One of the greatest inventors of all time.
Alexander Bell (1847–1922) Scottish scientist credited with inventing the first practical telephone. Also worked on optical telecommunications, aeronautics and hydrofoils.
Nikola Tesla (1856–1943) American Physicist who invented fluorescent lighting, the Tesla coil, the induction motor, 3-phase electricity and AC electricity.
rudolf-dieselRudolf Diesel (1858–1913), German inventor of the Diesel engine. Diesel sought to build an engine which had much greater efficiency. This led him to develop a diesel-powered combustion engine.
eduord-michelinÉdouard Michelin (1859–1940), French inventor of a pneumatic tire. John Dunlop invented the first practical pneumatic tyre in 1887. Michelin improved on this initial design to develop his own version in 1889.
Marie Curie (1867–1934) Polish born French chemist and physicist. Curie discovered Radium and helped make use of radiation and X-rays.
The Wright Brothers (1871–1948) American inventors who successfully designed, built and flew the first powered aircraft in 1903.
Alexander Fleming (1881–1955), Scottish scientist. Fleming discovered the antibiotic penicillin by accident from the mould Penicillium notatum in 1928.
John Logie Baird (1888–1946) Scottish inventor who invented the television and the first recording device.
enrico-fermiEnrico Fermi (1901–1954) Italian scientist who developed the nuclear reactor. Fermi made important discoveries in induced radioactivity. He is considered the inventor of the nuclear reactor.
oppenheimerJ. Robert Oppenheimer (1904–1967), United States – Atomic bomb. Oppenheimer was in charge of the Manhattan project which led to the creation of the first atomic bomb, later dropped in Japan. He later campaigned against his own invention.
Alan_TuringAlan Turing (1912–1954) English 20th century mathematician, pioneer of computer science. He developed the Turing machine, capable of automating processes. It could be adapted to simulate the logic of any computer algorithm.
robert-noyceRobert Noyce (1927–1990) American 20th-century electrical engineer. Along with Jack Kilby, he invented the microchip or integrated circuit. He filed for a patent in 1959. The microchip fueled the computer revolution.
james-dysonJames Dyson (1947– ) British entrepreneur. He developed the bag-less vacuum cleaner using Dual Cyclone action. His Dyson company has also invented revolutionary hand dryers.
Tim Berners-Lee (1955– ) British computer scientist. Tim Berners-Lee is credited with inventing the World Wide Web, which enabled the internet to display websites viewable on internet browsers. He developed the http:// protocol for the internet and made the world wide web freely available.
steve-jobsSteve Jobs (1955–2011) American entrepreneur and developer. Jobs helped revolutionise personal computer devices with the iPod, iPad, Macbook and iPhone. He is credited with inventing the new wave of hand-held personal computer devices.
இந்தியாவில் மூன்றாவது ராக்கெட் ஏவுதளம் அமைப்பதற்கான உயர்நிலைக் குழு அறிக்கை சமர்ப்பிக்கும் முன்பாகவே, மூன்றாவது தளம் ஸ்ரீஹரிகோட்டாவில்தான் என்று திட்டவட்டமாக அறிவித்திருக்கிறார் இஸ்ரோ தலைவர் ராதாகிருஷ்ணன். பிரெஞ்ச் கயானாவுக்கு நிகராக, ராக்கெட் ஏவுவதற்கான அனைத்து சாதக அம்சங்களையும் கொண்டிருக்கும் தூத்துக்குடி மாவட்டம் குலசேகரப்பட்டினத்தை இஸ்ரோ புறக்கணிப்பது விண்வெளி விஞ்ஞானிகளை மட்டுமின்றி தமிழக மக்களையும் அதிர்ச்சி அடைய வைத்துள்ளது.
