Fred Grubb
Fred is the founder of Rocky Mountain Construction, better known as RMC. With RMC Fred has created many of the world's best known and beloved roller coasters, especially with his and Alan Schilke's creation of the Ibox Track.
- Umutwe: Fred Grubb
- Icyamamare: 0.001
- Azwiho: Acting
- Isabukuru:
- Aho yavukiye: Ohio, USA
- Urupapuro rwitangiriro: https://www.rockymtnconstruction.com/
- Birazwi kandi: Frederick Grubb
