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Harald Sack

computer science
Grace Hopper and the Programming Languages

Grace Hopper and the Programming Languages

Harald Sack
On December 9, 1908, American computer scientist Grace Brewster Murray Hopper was born. Besides being credited for having invented the term “debugging”, Hopper was one of the first programmers of the Harvard Mark I computer in 1944. She invented the first compiler for a computer programming language and was one of those who popularized the idea of machine-independent programming languages which led to the development of COBOL, one of the first high-level…
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physics
Arnold Sommerfeld – Quantum Theory and Famous Students

Arnold Sommerfeld – Quantum Theory and Famous Students

Harald Sack
On December 5, 1868, German theoretical physicist Arnold Sommerfeld was born. Sommerfeld pioneered developments in atomic and quantum physics, and also educated and mentored a large number of students for the new era of theoretical physics. He served as PhD supervisor for more Nobel prize winners in physics than any other supervisor to date. He introduced the 2nd quantum number (azimuthal quantum number) and the 4th quantum number (spin quantum number). He…
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explorer
From Ambition to Obsession – Jane Franklin and the Lost Franklin Expedition

From Ambition to Obsession – Jane Franklin and the Lost Franklin Expedition

Harald Sack
On December 4, 1791, Lady Jane Franklin, Tasmanian pioneer, traveler and second wife of the explorer Sir John Franklin, was born. She was the first woman to climb Mount Wellington and to travel overland from Melbourne to Sydney. Above all Lady Franklin is remembered for the search she organized from 1850 to 1857 for Sir John Franklin‘s lost Arctic expedition. Early Years Jane Franklin was born as Jane Griffin, the second daughter…
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engineering
Peter Carl Goldmark LP record, Color TV, and Video Recorder

Peter Carl Goldmark LP record, Color TV, and Video Recorder

Harald Sack
On December 2, 1906, German-Hungarian engineer Peter Carl Goldmark was born. While working for Columbia Broadcasting System (CBS), he developed the first commercial color television system (1940), which used a rotating three-color disk. Goldmark also also developed the 33-1/3 LP phonograph that greatly increased the playing time of records, which revolutionized the recording industry. Peter Carl Goldmark – Early Years Peter Carl Goldmark was born in Budapest, Hungary, and little is known about…
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literature
Abraham a Sancta Clara – “Very Eccentric but Popular”

Abraham a Sancta Clara – “Very Eccentric but Popular”

Harald Sack
On December 1, 1709, Abraham a Sancta Clara, Austrian divine, court preacher and author passed away. Born as Johann Ulrich Megerle, he has been described “a very eccentric but popular Augustinian monk” and had earned great reputation for pulpit eloquence, the force and homeliness of his language, the grotesqueness of his humor, and the impartial severity with which he lashed the follies of all classes of society and of the court in particular.…
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art
William Blake – Poet, Painter, Visionary

William Blake – Poet, Painter, Visionary

Harald Sack
On November 28, 1757, English poet, painter, and printmaker William Blake was born. Blake is now considered a seminal figure in the history of the poetry and visual art of the Romantic Age. Both his artistic and literary works were largely rejected by his contemporaries. It was not until the mid-19th century that his very innovative works were discovered by the Pre-Raphaelites, gained general recognition, and later became popular in pop culture.…
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history
Herodotus of Harlicarnassus – the Father of History

Herodotus of Harlicarnassus – the Father of History

Harald Sack
About in 484 B.C., ancient Greek historian Herodotus was born. A contemporary of Socrates, he is widely referred to as “The Father of History“. Herodotus was the first historian known to have broken from Homeric tradition to treat historical subjects as a method of investigation: specifically by collecting his materials systematically and critically, and then to arrange them into a historiographic narrative. Despite Herodotus‘ historical significance, little is known of his personal…
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physics
The Fairy Tale Collections of Ludwig Bechstein

The Fairy Tale Collections of Ludwig Bechstein

Harald Sack
On November 24, 1801, German Writer, librarian, archivist and pharmacist Ludwig Bechstein was born. A collector of fairy tales, he is best known today for his edition of collected Fairy Tales. “The main thing is that everyone should fulfill his duty, enjoy life beautifully – and if he is a poet by God’s grace, delight and benefit.” – Ludwig Bechstein, Letter to Ludwig Storch, April 9, 1830 Ludwig Bechstein – Early Years…
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cinematography
The Phenomenon of Doctor Who

The Phenomenon of Doctor Who

Harald Sack
On November 23, 1963, the famous British science-fiction television program Doctor Who first appeared on BBC TV. Just imagine, this was more than 50 years ago. Although, I personally learned about Doctor Who when I was already a grownup, I guess this character in the same way as Mr. Spock from the tv series Star Trek[1], might be responsible that many young people have chosen a career in science. In Germany, where I grew…
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biology
Alfred Sturtevant and the Chromosomes

Alfred Sturtevant and the Chromosomes

Harald Sack
On November 21, 1891, American geneticist Alfred Henry Sturtevant was born. Sturtevant constructed the first genetic map of a chromosome in 1913. Throughout his career he worked on the organism Drosophila melanogaster with Thomas Hunt Morgan. By watching the development of flies in which the earliest cell division produced two different genomes, he measured the embryonic distance between organs in a unit which is called the sturt in his honor. Alfred Sturtevant…
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