Founder of Trax Records and Chicago recording engineer.
Vinyl releases he mastered can be identified by his initials hand-etched in the runout grooves.
Died April 8, 2020
ALBUMS
Various
Trax Records: The 20th Anniversary Edition
2004, 2xCD, Mixed + CD, Comp, Casablanca Trax Inc., Trax Records, 
,
, House/Acid House/Garage House
Various
Trax Records 20th Anniversary Collection
2004, 2xLP, Comp, Simply Vinyl, 
,
, Acid House/House
Various
Queer Trax (Coming In Loud & Queer) (The Classics And More)
2004, ,
, Acid House/Garage House/House
Screamin' Rachael
Extacy
2004
Various
Dance Floor Authority
1990, ,
, House/Deep House/Garage House
Various
Deep Heat 6 - The Sixth Sense
1990, 
,
, Acid House/Deep House/Euro House/House/Garage House
Various
The History Of The House Sound Of Chicago (...From The Very Beginning...)
1988, 12xLP, Comp + Box, Ltd, BCM Records, 
,
, Disco/House/Garage House/Deep House/Techno/Hip-House/Acid House
Various
The History Of The House Sound Of Chicago
1988, 15x CD, Box Set, ,
, Acid House/House/Garage House/Techno/Deep House/Hip-House/Disco
Various
Trax Records Sampler
1987, Cass, Smplr, Trax Records, 
,
, House
Rob Olson
Rob Olson's Chicago Jackbeat Vol Two
1987, ,
, House/Deep House/Acid House
Kevin Irving
Children Of The Night
1987, ,
, House
Ron Hardy
Sensation
1986
Jesse Saunders
Waiting On My Angel
1985, 12", Precision Records (5)
Grant
Dance
1985, ,
, House
Dezz 7
Funny Love
1985, ,
, Funk/Boogie
APPEARANCES +
Various
Trax Records - The Next Generation
2004, CD, Comp, Mixed + CD, Comp, Trax Records
Frankie Knuckles
His Greatest Hits From Trax Records
2004, ,
, House
Various
Trax Records (Rarities & B-Sides From The Vaults Of Trax Records)
2004, ,
, House
Various
Trax Records - Acid Classics
2004, CD, ,
, Acid House
Vince Lawrence
Virgo Trax Again
2002
Johnny Fiasco
Acid Wash II
1996
Kaay Alexi Shelby* & Brazil 94
Swinging With The Big Band
1994, LP, Trax Records
Bart Starr
Way To Go Homer
1990, 12", Trax Records
Various
Cut Loud Vol. 1
1990, CD, ,
, House/Deep House
Streetlife
Keep On Movin'
1989, ,
, House/Disco
Evie
Just Stay The Night
1988
Duane And Co.*
Hardcore Jazz
1986
The House Master Boyz*
Thanks 4 The Trax U Lost
1986
The Force
It's O.K., It's O.K.
1986
Adonis
No Way Back
1986, Vinyl Red Labels, ,
, House
Fresh
Dum Dum Part Two
1986
McGhee*
I Got Broke Breakdancin'
1985, 12", Mitchbal Records
Farley Jackmaster Funk* / Jack Master Dick*
Funkin With The Drums Again / Jack The Dick
1985, 12", Trax Records, Trax Records
Carver High
Boogie With A Book (Let's Read!)
1985, 7", Challenger Records
Z-Factor Featuring Jesse Saunders / Mc Ghee*
Fantasy / I Got Broke Breakdancin'
1985, 12", MP, Mitchbal Records
Los Leones Del Norte
El Cerillazo / Abigain
1985, 7", Leon Records (8)
Farley Jackmaster Funk*
Funkin With The Drums Again
1985, ,
, House
Farley Funkin Keith*
Funkin With The Drums
1985, ,
, House
Le' Noiz
Certainly
1985
Terrence Woodard
Jack The Box
1985
Joey O And Out Of Control
Nobody
1984, 12", Let's Dance
Knight Action Featuring Sedenia
Single Girl
1984
Vince Lawrence
Thorns
1984
Real Side
Hang Loose / Flying High
1984, ,
, Soul/Funk/Boogie
Dr. Derelict*
Under Cover
1984
Z-Factor
The D.J.
1984, ,
, House/Electro
Gwendolyn
Come To Me
1984
Various
Untitled
LP, Comp, W/Lbl, Trax Records, Trax Records