Michael Kölling

Kölling, Michael
Born Bremen, Germany
Nationality Germany
Fields Computer science
Institutions University of Kent, Sydney University
Doctoral advisor John Rosenberg
Known for BlueJ, Greenfoot
Notable awards
  • 2013 SIGCSE Award for Outstanding Contribution to Computer Science Education

Michael Kölling is a German computer scientist, best known for the development of the BlueJ and Greenfoot educational development environments and as author of introductory programming textbooks. In 2013 he received the 2013 SIGCSE Award for Outstanding Contribution to Computer Science Education for the development of the Blue programming language[1] and environment.

Biography

Kölling was born in Bremen, Germany. He earned a degree in "Informatik" from the University of Bremen (Universität Bremen). In 1999, he was awarded a Ph.D. in Computer Science from Sydney University, supervised by John Rosenberg.

From 1995 to 1997 he worked at the Sydney University, followed by a position as Senior Lecturer at Monash University and, from 2001, a post as Associate Professor at the University of Southern Denmark. He now works at the School of Computing at the University of Kent, UK, where he is a Professor of Computer Science.

Work

Kölling is the lead designer of Blue, an object-oriented programming language and integrated environment, BlueJ, and Greenfoot. All are educational development environments aimed at teaching and learning of programming. BlueJ and Greenfoot are widely used in many schools and universities.

Kölling co-wrote Objects First with Java (5th edition), with David J. Barnes, and wrote "Introduction to Programming with Greenfoot" (2nd edition).

At the Association for Computing Machinery (ACM) Special Interest Group of Computer Science Education (SIGCSE) 2010 conference, held in Milwaukee, WI, his work was referenced as one of the most influential tools in the history of computer science education. This paper described Kölling's work on the Blue programming language, which preceded BlueJ.[2]

Microsoft patent issue

On 22 May 2005 Kölling made an entry to the BlueJ website[3] in response to a post on Dan Fernandez's blog (Lead Product Manager - Visual Studio Express). Fernandez described a new feature of Visual Studio 2005 that "helps you understand objects at Design Time, rather than runtime."[4] This feature had striking similarities to the way the object test bench functions within BlueJ.

Kölling did not act on the discovery. However, on May 11, 2006 Microsoft attempted to patent[5] the idea. As the object test bench is essential to the way it functions, had Microsoft's patent been granted, it was likely that BlueJ would have had to have been discontinued.

Kölling spoke to Microsoft, namely Jane Prey, and eventually the patent was dropped.[6]

Fernandez posted a response on his blog where he says "the patent application was a mistake and one that should not have happened. To fix this, Microsoft will be removing the patent application in question. Our sincere apologies to Michael Kölling and the BlueJ community."[7]

Miscellany

Books

See also

References

  1. ↑ "Blue website".
  2. ↑ "SIGCSE2010 Influential Papers website".
  3. ↑ "Comparison between VS and BlueJ's implementation of the object bench concept".
  4. ↑ "Fernandez blog entry on the VS object test bench".
  5. ↑ "Microsoft patent request".
  6. ↑ "Blog article on Microsoft retraction of the patent".
  7. ↑ "Fernandez blog apology".
  8. ↑ "Best PhD Thesis Award".
  9. ↑ "Victorian Pearcey Award".
  10. ↑ "Position summary from SIGCSE debate" (PDF).
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