R.J. Hultermans Ronald Johannes
Radlein Desmond
Raible Ludwig
Rajadurai Sivanandi
Ramavajala Madhu
Ramavajjala Madhu
Ranly Hans
Rasmussen Soren Birk
Reidick Heinz
Reiling Vincent G.
Reinemann Peter
Reppisch Richard
Research Cottrell, Inc.
Research Foundation of the University of New York
Retzlaff Burkhard
Rheinkalk GmbH & Co. KG
Rhymes, Jr. Aubrey J.
Richmond John R.
Rieckert Lothar
Riekert Lothar