
The author seems to be .TakaM
Also some help with trees: (by Matriax)
http://www.speccy.org/remakesgraph/panic2/panicp2.htm
http://www.speccy.org/remakesgraph/panic2/arbo1.png
http://www.speccy.org/remakesgraph/panic2/arbo2.png
http://www.speccy.org/remakesgraph/panic2/8marav2.gif
http://www.speccy.org/remakesgraph/panic2/8marav3.gif