Tibor Kapu

Tibor Kapu is a Hungarian mechanical engineer and astronaut. He flew to the International Space Station as a mission specialist on Axiom Mission 4 (Ax-4), which launched on 25 June 2025. Kapu became the third Hungarian to participate in a spaceflight, following Bertalan Farkas in 1980 and Charles Simonyi in 2007. His spaceflight is organized by the Hungarian state in cooperation with the American space company Axiom Space.