Meister Richard P.
Merediz Tristan O.
Mineral Processing Development & Innovation AB
Miyake Chie
Moffatt Bruce S.
Molteni Danilo
Mongan Joshua L.
Mroz Andrzej
Muller-Ruchholtz Wolfgang
Muraco Robert H.
Nakayama Niro
Nightingale E. Richard
Notebaart Cornelis W.
Nushiro Kouichi
Nyrop Per
Oder Robin Roy
Oldenkamp Jerry
Orekondy Shivakumar S.
Ormsby George S.
Ostborg John