Who created the images that appear on the Scala homepage?

The images are as follows:

"Introduction": This very professional image is called "Gaia Shine [1]", and was created by Flávio Takemoto [2].
"Learn Scala": The image is called "Book... [3]", and the author is Zsuzsanna Kilián [4].
"In the Enterprise: This fantastic image is "Golden Egg [5]", authored by Mateusz Stachowski [6].
"Research": The painting is "Come Unto These Yellow Sands [7]", painted by Richard Dadd [8] in 1842.
"Community": it is a picture of Prague [9], part of the free Drupal theme called "Marinelli [10]"
"The Compiler": the picture is "Roger [11]", and is also part of the free Drupal theme called "Marinelli [10]"

Links:
[1] http://www.sxc.hu/browse.phtml?f=view&id=1158741
[2] http://www.sxc.hu/profile/flaivoloka
[3] http://www.sxc.hu/browse.phtml?f=view&id=1067227
[4] http://www.sxc.hu/profile/nkzs
[5] http://www.sxc.hu/photo/1174712
[6] http://www.sxc.hu/profile/Mattox
[7] http://en.wikipedia.org/wiki/File:Richard_Dadd_-_Come_unto_These_Yellow_Sands.jpg
[8] http://en.wikipedia.org/wiki/Richard_Dadd
[9] http://cvs.drupal.org/viewvc.py/drupal/contributions/themes/marinelli/img/banners/praga.jpg?revision=1.1&view=markup
[10] http://drupal.org/project/marinelli
[11] http://cvs.drupal.org/viewvc.py/drupal/contributions/themes/marinelli/img/banners/roger.jpg?revision=1.1&view=markup