*1945 US
A.k.a. Robert C. Ludwig
Bob Ludwig (Robert C. Ludwig; born c. 1945) is an American mastering engineer. He has mastered recordings on all the major recording formats for all the major record labels, and on projects by more than 1,300 artists including Led Zeppelin, Queen, Rush, Jimi Hendrix, The Police, Bryan Adams, Paul McCartney, Eric Clapton, the Rolling Stones, Def Leppard, Nirvana, The Who, Bruce Springsteen, Dire Straits, Daft Punk, and X Japanresulting in over 3000 credits.