Everyone
Tical was recorded & rerecorded all over the place due to the flood & while Wu was touring for 36 Chambers so there were a lot:
Engineer – Ethan Ryman (tracks: 6, 10), Jack Hersca (tracks: 9, 11), John Wydrycs (tracks: 5), Kevin Thomas (tracks: 13)
Engineer [Assistant] – David Sealy (tracks: 5), J. Nicholas (tracks: 9, 11), Ken Ifill* (tracks: 13)
Mix Engineer- John Wydrycs (tracks: 1, 2, 4, 7, 8, 12), Rich Keller (tracks: 3)
Return to 36:
Engineer [Assistant Mixing] – Jay Nicholas (tracks: 2, 11, 16), Jimmie Lee (tracks: 3 to 5, 9, 13, 14, 17)
Engineer [Assistant Recording] – Jimmie Lee (tracks: 13, 14, 17)
Engineer [Mixing] – Jack Hersca (tracks: 2 to 6, 8 to 12, 14, 17)
Engineer [Recording] – Ethan Ryman (tracks: 2, 4, 5, 11), Jack Hersca (tracks: 12 to 14, 17), The RZA (tracks: 3, 5 to 7, 9, 10, 14, 15)
Cuban Linx was mostly in house:
Engineer – The RZA
Engineer [Assistant] – The 4th Disciple, Islord
Producer, Mixed By, Arranged By – The RZA
Mixed By [Co-mixed By] – The 4th Disciple (tracks: 7, 14, 16)
Liquid Swords had no engineer info printed & only recording info was 'mastered by Tom Coyne at Sterling Sound' (same as Cuban Linx was) so it was probably all engineered in house like OB4CL
Ironman:
Engineer – The RZA, Steve Neat