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Harald Sack
Works at Hasso-Plattner-Institute for IT Systems Engineering
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Harald Sack

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Could you imagine life without a telephone? Alexander Graham Bell, who is credited with inventing the first practical telephone was born ‪#‎OnThisDay‬ in 1847. The telephone is considered his most famous invention an intrusion on his real work as a scientist. Bell however, refused to have a telephone in his study.

Explore the works of Alexander Graham ‪#‎Bell‬ and hundreds of telephones through Europeana: http://bit.ly/alexander-graham-bell-europeana

Image: Bell on the telephone in New York (calling Chicago) in 1892. WikiCommons, Public Domain. http://bit.ly/1M3jiJX
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On February 24, 1856, Russian mathematician & geometer Nikolai Ivanovich Lobachevsky passed away http://blog.yovisto.com/nikolai-lobachevsky-the-copernicus-of-geometry/
#mathematics   #historyofmathematics   #geometry   #onthisday  
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Harald Sack

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On February 22, 1788, famous and most influential German philosopher Arthur Schopenhauer was born. 
#philosophy  
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On February 16, 1749, Italian typographer Giambattista Bodoni was born. He also was a type-designer, compositor, printer and publisher.  http://blog.yovisto.com/the-letters-of-giambattista-bodoni/
#printing   #typeface   #typesetting   #Italy   #onthisdayinhistory  
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On February 15, 1797, German-American inventor &entrepreneur Henry Engelhard Steinway was born. http://blog.yovisto.com/henry-steinway-and-the-grand-pianos/
#music   #piano   #steinway   #onthisdayinhistory  
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On March 3, 1845, mathematician Georg Cantor was born, founder of set theory
#maths   #mengenlehre   #onthisday  
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On February 27, 1902, American writer and Pulitzer Prize winner and Nobel Laureate John Steinbeck was born. 
#literature   #nobel_prize  
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On February 22, 1903, British philosopher, mathematician and economist Frank P. Ramsey was born 
http://blog.yovisto.com/frank-p-ramsey-and-the-ramsey-theory/    
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On February 17, 1600, Domonican friar, philosopher, mathematician and astronomer Giordano Bruno was burned on the stake after the Roman Inquisition found him guilty of heresy.
#renaissance   #catholicchurch   #inquisition   #science  #philosophy #crime  
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On February 17, 1776, the first volume of Edward Gibbons 'The History of the Decline and Fall of the Roman Empire' was published.
#history   #romanempire  
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On February 15 , 1988, popular physicist and Nobel Laureate Richard Feynman assed away 
http://blog.yovisto.com/surely-youre-joking-mr-feynman/
#physics   #nobelprize   #onthisdayinhistory  
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Have him in circles
574 people
Lin Clark's profile photo
Andreas Schepers's profile photo
Siegbert Dombrowski's profile photo
Theron Smith's profile photo
Jens Oliver Meiert's profile photo
Daniel Yacob's profile photo
Sebastian Hellmann's profile photo
văn anh hoàng's profile photo
Rahul Nanda's profile photo
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Senior Researcher, Semantic Technologies & Multimedia Retrieval
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Semantic Web Technologies, Multimedia Analysis, Multimedia Retrieval, Exploratory Search, Recommender Systems
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  • Hasso-Plattner-Institute for IT Systems Engineering
    Scientist, present
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Senior Researcher in Semantic Web Technologies, Knowledge Discovery & Multimedia Analysis
Introduction
'Every man who knows how to read has it in his power to magnify himself, to multiply the ways in which he exists, to make his life full, significant and interesting.' (Aldous Huxley)

find out more on my professional homepage...

or in the Biblionomicon...
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