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- Beckman Instruments, Inc.336
- Potentiometer140
- Scientific apparatus and instruments102
- Chemical industry87
- Microelectronics64
- Chemistry, Organic51
- Employees51
- Chemistry49
- Chemists--Biography49
- Historians of science49
- Kohler, Robert E.49
- Lewis, Gilbert Newton, 1875-194649
- Molecular structure49
- Woodward, R. B. (Robert Burns), 1917-197949
- Dow Chemical Company47
- Research, Industrial--Laboratories40
- Essences and essential oils industry39
- Norda Essential Oil and Chemical Company39
- Perfumes industry39
- Advertising38