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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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Harald Sack

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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
581 people
Raphaël Troncy's profile photo
Anna Fensel's profile photo
Florian Huber's profile photo
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Dharmesh Maniya's profile photo
Ellen Broad's profile photo
Giannakis Prime's profile photo
Jacek Kopecký's profile photo
Frank van Harmelen's profile photo
Work
Occupation
Senior Researcher, Semantic Technologies & Multimedia Retrieval
Skills
Semantic Web Technologies, Multimedia Analysis, Multimedia Retrieval, Exploratory Search, Recommender Systems
Employment
  • 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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