He is known for his work on norm varieties (a key part in the proof of the Bloch-Kato conjecture) and for the Rost invariant (a cohomological invariant with values in Galois cohomology of degree 3).
Invariant theory | Marinus Bernardus Rost van Tonningen | Taubes's Gromov invariant | Rost invariant | Pierre Adolphe Rost | Meinoud Rost van Tonningen | Loop-invariant code motion | John Rost | invariant theory | Frank Rost | Florentine Rost van Tonningen | Christina Rost |