Macchi Giorgio
Mangelschots Benedikt
Manoury Jean
Marsden Robert S.
Martin Edouard
Masuda Kazue
Matuda Hiroshi
Mauro Peter T.
Mayland Bertrand J.
Miao Weifang
Michelsen Klaus
Mietze Lothar
Miller Guy
Mineral Research and Development Corp.
Mistrorigo Mario
Miteni S.r.L.
Moriconi Andrea
Moss Robert H.
Muenster Rolf
Munster Gerhard