lightbulb
electric incandescent lamp based on a glowing metallic filament enclosed within a glass shell filled with an inert gas such as nitrogen. See incandescent lamp; lamp.- Robert McFerrin, Sr.
- Robert McHenry
- Robert McKenzie
- Robert M. Gates
- Robert Michels
- Robert Mills
- Robert Mitchum
- Robert M La Follette
- Robert Moffat
- Robert Montgomery Bird
- Robert Morison
- Robert Morley
- Robert Morris
- Robert Morrison
- Robert Morrison MacIver
- Robert Morris Page
- Robert Moses
- Robert Motherwell
- Robert M. Solow
- Robert Mugabe
- Robert Muldoon
- Robert Munsch
- Robert Musil
- Robert M. Yerkes
- Robert Nanteuil