Inventions acclaimed to Holtzmann pretty much makes the world go round in the Dune universe.
- Holtzmann engines allow space-folder ships to move through dimensions.
- The Holtzmann effect is somehow connected to the reaction between lasguns and shields.
It is safe to assume that Holtzmann was around sometime slightly-before the Battle of Corrin, as his engines are still experimental and generally unreliable.
Who was Holtzmann? Do we see any mention of his person in any of the books?