Kapu Tibor

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.

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1991  Wikimedia, Wikidata
automotive engineer, astronaut, mechanical engineer, 

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Hungary, 

Frameless

Axiom Mission 4 and Expedition 73 crews (cropped)

Tibor Kapu on ISS

The Axiom Mission 4 (Ax-4) and Expedition 73 crews join each other for a group portrait inside the International Space Station's Harmony module.

iss073e0251266 (June 27, 2025) --- Axiom Mission 4 private astronaut Tibor Kapu (at left) from Hungary loads a research sample-packed cryogenic storage unit, called a dewar

iss073e0252473 (June 28, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim (back to camera) joins Axiom Mission 4 crew members (clockwise from top left) Tibor Kapu from Hungary, Peggy Whitson from the U.S.

Ax-4 crew montage

Type	Subtype	Date	Description	Notes	Source
commons	image		Axiom Mission 4 and Expedition 73 crews (cropped)		Commons
commons	image		Tibor Kapu on ISS		Commons
commons	image		The Axiom Mission 4 (Ax-4) and Expedition 73 crews join each other for a group portrait inside the International Space Station's Harmony module.		Commons
commons	image		iss073e0251266 (June 27, 2025) --- Axiom Mission 4 private astronaut Tibor Kapu (at left) from Hungary loads a research sample-packed cryogenic storage unit, called a dewar		Commons
commons	image		iss073e0252473 (June 28, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim (back to camera) joins Axiom Mission 4 crew members (clockwise from top left) Tibor Kapu from Hungary, Peggy Whitson from the U.S.		Commons
commons	image		Ax-4 crew montage		Commons