01 Nov, 1904

Emory Ensign

Ensign Electric Calculating Machine is a highly developed, electrically driven adding and subtracting machine, particularly suited for multiplication (by repeated addition) and semi-automatic division (subtraction and division are done by complementary addition). It was devised and patented by the young engineer from Illinois Emory Seymour Ensign (1878-1944), in the beginning..Read More

26 Nov, 1904

Christel Hamann

The German engineer Christel Hamann (1870-1948) is an outstanding figure in the world of mechanical calculators. He is a holder of numerous patents (in USA, Canada, Germany, Sweden, Switzerland, and Great Britain) in this area and the constructor of countless mechanisms and calculators, let’s mention only Gauss, Berolina, Mercedes Euklid,..Read More

11 Dec, 1904

Adix of Josef Pallweber and Adolf Bordt

On 1 October 1903, the company Adix Company Pallweber & Bordt of Mannheim, Germany, was entered into the commercial register, for production of calculating machines. The sole shareholders were Josef Pallweber (1858-1921), a famous Austrian/German engineer, equipment manufacturer and inventor, and Adolf Bordt (1875-1940), an owner of a business for..Read More

01 Apr, 1909

James Bassett

In 1909 the young inventor James Hunter Bassett (1888–1932) from Chicago, Illinois, started the production of adding device, quite similar in construction to the earlier Ribbon Adder of Charles Webb. In contrast with Ribbon Adder however, the device of Bassett (called Bassett Adder) had much better market success (at the..Read More

30 May, 1928

Gustav Tauschek

Gustav Tauschek (1899-1945) was a genius self-taught Viennese engineer, with more than 100 patents in Austria, Germany, USA and France, mainly in the computing field (from 1922 to 1945) to his credit, who used to work for IBM and who besides the first OCR device, invented also many devices and systems..Read More

16 Jun, 1932

Reynold Johnson

Reynold B. Johnson (1906–1998) was a remarkable American inventor, one of the IBM company’s most prolific inventors, specializing in electromechanical devices. He was an owner of more than 90 patents, and is said to be the “father” of the hard disk drive, automatic test scoring equipment, microphonograph technology, a type..Read More

14 Apr, 1939

Jorge Luis Borges

In 1939 the famous Argentine writer and librarian Jorge Luis Borges published in Buenos Aires an essay entitled La bibliotheca total (The Total Library), describing his fantasy of an all-encompassing archive or universal library. A universal library is supposed to contain all existing information, all books, all works (regardless of..Read More

21 Dec, 1939

Edward Condon

The first gaming computer in the world was Nimatron, designed in the winter of 1939 by Edward Condon, a Ph.D. and professor in physics, then working (since 1937) as Associate Director of Research of at Westinghouse Electric Company. Nimatron was a non-programmable special purpose electromechanical digital computer, playing the Nim..Read More

30 Mar, 1948

Curt Herzstark

The Curta is a remarkable mechanical calculator, based on the stepped drum mechanism of Gottfried Lebnitz. It is a small, hand-cranked mechanical calculator, conceived by Curt Herzstark in the end of 1920s, designed in early 1930s, but introduced as late as 1948. It has an extremely compact design, a small..Read More

07 Aug, 1951

Geoffrey Hill

The first demonstration of computer music was made (and it caused quite a stir) during the inaugural Conference of Automatic Computing Machines in Sydney, Australia, held from 7 to 9 August 1951. The program was written by Geoff Hill, a young computer programmer with perfect pitch, and ran at the..Read More

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