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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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On April 1, 1908, American psychologist Abraham Maslow was born, who developed the 'Hierarchy of Needs' 
#psychology  
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On March 8, 1712, English physician & plant collector John Fothergill was born. http://blog.yovisto.com/john-fothergill-physician-and-gardener/
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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 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 March 25, 1801, poet, author, and philosopher of early German Romanticism Georg Philipp Friedrich Freiherr von Hardenberg, better known under his pen name Novalis passed away...
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John Murray and the Oceanography
#OnThisDay in1841, pioneering Scottish oceanographer, marine biologist and limnologist Sir John Murray was born. As one of its founders, coined the name oceanography
http://blog.yovisto.com/john-murray-and-the-oceanography/
#history #science #oceanography  
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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 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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On February 22, 1788, famous and most influential German philosopher Arthur Schopenhauer was born. 
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Have him in circles
584 people
david bu's profile photo
Ralph Traphöner's profile photo
Валентин Нагорнов's profile photo
Heinz-Jürgen Bove's profile photo
Chimezie Ogbuji's profile photo
Piers Hollott's profile photo
Michael Schaarwächter's profile photo
Bjoern Schuenemann's profile photo
Suzi Kovač'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)

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