pdk42 has won Who's the Expert games in the following categories:

Africa (as level 20, beat 7 players)    Oct 02 12 - 1:45 PM
Astronomy (as level 57, beat 19 players)    Feb 13 13 - 11:45 AM
Chemistry (as level 75, beat 42 players)    Apr 28 13 - 5:45 AM
Computers (as level 30, beat 11 players)    Jan 07 13 - 10:45 PM
European (as level 40, beat 16 players)    Jan 18 13 - 7:45 AM
Genesis (as level 36, beat 13 players)    Jan 13 13 - 5:45 AM
Human Body (as level 66, beat 30 players)    Feb 28 13 - 8:45 AM
Man in Space (as level 6, beat 9 players)    Sep 15 12 - 1:45 PM
Physics (as level 41, beat 65 players)    Jan 19 13 - 4:45 AM
Psychology (as level 82, beat 31 players)    May 22 13 - 12:45 PM
Specialized History (as level 54, beat 37 players)    Feb 04 13 - 11:45 AM