Doom Level Designers

SOURCES:
https://doomwiki.org/wiki/Entryway
https://www.doomworld.com/forum/topic/99134-ultimate-doom-doom-2-who-designed-which-levels/?tab=comments#comment-1846205

Backed-up on Pastebin in case Doomworld ever goes offline.

The Ultimate Doom:

E1M1: Hanger-----------------John Romero
E1M2: Nuclear Plant-----------John Romero
E1M3: Toxin Refinery----------John Romero
E1M4: Command Control------Tom Hall and John Romero
E1M5: Phobos Lab------------John Romero
E1M6: Central Processing-----John Romero
E1M7: Computer Station------John Romero
E1M8: Phobos Anomaly-------Tom Hall and Sandy Petersen
E1M9: Military Base-----------John Romero

E2M1: Deimos Anomaly-------Tom Hall and Sandy Petersen
E2M2: Containment Area------Tom Hall and Sandy Petersen
E2M3: Refinery----------------Tom Hall and Sandy Petersen
E2M4: Deimos Lab-------------Tom Hall and Sandy Petersen
E2M5: Command Center-------Sandy Petersen
E2M6: Halls Of The Damned----Sandy Petersen

E2M7: Spawning Vats----------Tom Hall and Sandy Petersen
E2M8: Tower Of Babel----------Sandy Petersen
E2M9: Fortress Of Mystery-----Sandy Petersen

E3M1: Hell Keep----------------Sandy Petersen
E3M2: Slough Of Despair-------Sandy Petersen
E3M3: Pandemonium-----------Tom Hall and Sandy Petersen
E3M4: House Of Pain-----------Sandy Petersen
E3M5: Unholy Cathedral--------Sandy Petersen
E3M6: Mt. Erebus--------------Sandy Petersen
E3M7: Gate To Limbo----------Tom Hall and Sandy Petersen
E3M8: Dis---------------------Sandy Petersen
E3M9: Warrens----------------Sandy Petersen

E4M1: Hell Beneath------------American McGee
E4M2: Perfect Hatred----------John Romero
E4M3: Sever The Wicked------Shawn Green
E4M4: Unruly Evil--------------American McGee
E4M5: They Will Repent--------Tim Willits and Theresa Chasar
E4M6: Against Thee Wickedly--John Romero
E4M7: And Hell Followed-------John Anderson
E4M8: Unto The Cruel---------Shawn Green
E4M9: Fear--------------------Tim Willits

Doom II:

MAP01: Entryway--------------Sandy Petersen
MAP02: Underhalls-------------American McGee
MAP03: The Gantlet------------American McGee
MAP04: The Focus-------------American McGee
MAP05: The Waste Tunnels----American McGee
MAP06: The Crusher-----------American McGee
MAP07: Dead Simple-----------American McGee and Sandy Petersen
MAP08: Tricks And Traps-------Sandy Petersen
MAP09: The Pit-----------------Sandy Petersen
MAP10: Refueling Base---------Tom Hall and Sandy Petersen
MAP11: Circle of Death---------John Romero
MAP12: The Factory------------Sandy Petersen
MAP13: Downtown-------------Sandy Petersen
MAP14: The Inmost Dens------American McGee
MAP15: Industrial Zone--------John Romero
MAP16: Suburbs---------------Sandy Petersen
MAP17: Tenements-------------John Romero
MAP18: The Courtyard---------Sandy Petersen
MAP19: The Citadel------------Sandy Petersen
MAP20: Gotcha!---------------John Romero
MAP21: Nirvana---------------Sandy Petersen
MAP22: The Catacombs-------American McGee
MAP23: Barrels O' Fun--------Sandy Petersen
MAP24: The Chasm-----------Sandy Petersen
MAP25: Bloodfalls-------------Shawn Green
MAP26: The Abandoned Mines--John Romero
MAP27: Monster Condo--------Sandy Petersen
MAP28: The Spirit World-------Sandy Petersen
MAP29: The Living End---------John Romero
MAP30: Icon Of Sin------------Sandy Petersen
MAP31: Wolfenstein------------Sandy Petersen
MAP32: Grosse-----------------Sandy Petersen