Astronauts and Cosmonauts

Sławosz Uznański

International Partner and Guest Astronauts

Slawosz Uznanski is a Polish astronaut and engineer working for the European Space Agency, formerly employed at CERN. In June 2025 he became the second Polish national to fly in space, marking a return by Poland to crewed spaceflight after nearly 47 years and its first mission aboard the International Space Station; he was the 701st person in space and the 635th to reach orbital flight.

Facts
Birth Year
1984 2
Number of Flights
1 3
Classification
Astronaut Role
Mission Specialist 1
Dating
Selection Year
2022 1
Connections

Associated With

European Space Agency, Space Agencies and Companies
Source Sławosz Uznański (Wikipedia)

Operated By

European Space Agency, Space Agencies and Companies
Source Sławosz Uznański (Wikipedia)
In the Other Atlases

Nationality

Poland

Also in Geography Atlas: the nationality of this subject.

Source Wikidata: Slawosz Uznanski
Sources
1. Spacefacts.de: Spacefacts biography: Slawosz Uznanski
Spacefacts.de
  • Personal data, Position (MSP)
    Position: MSP
  • Personal data
    Selection date: 23.11.2022
View the Source
2. Wikidata: Slawosz Uznanski
Wikidata Q115387945, class allow-list match (w-wdresolver-0926)View the Source
3. The Space Devs Launch Library 2: Launch Library 2 astronaut list, records 701 to 800
The Space Devs Launch Library 2Astronaut record 805, Sławosz Uznański
Quote, Astronaut record 805, Sławosz Uznański
"name": "Sławosz Uznański" ... "flights_count": 1
View the Source
Sławosz Uznański (Wikipedia)
  • In Group: European Space Agency Astronauts, Lead sentence
    Sławosz Uznański-Wiśniewski (Polish pronunciation: [ˈswa.vɔʂ uzˈnaɲ.ski viɕˈɲɛf.ski]; né Uznański; born 12 April 1984) is a Polish astronaut and engineer working at the European Space Agency (ESA), formerly employed at CERN.
  • Operated By: European Space Agency, Lead sentence
    Sławosz Uznański-Wiśniewski (Polish pronunciation: [ˈswa.vɔʂ uzˈnaɲ.ski viɕˈɲɛf.ski]; né Uznański; born 12 April 1984) is a Polish astronaut and engineer working at the European Space Agency (ESA), formerly employed at CERN.
  • Associated With: European Space Agency, Lead sentence
    Sławosz Uznański-Wiśniewski (Polish pronunciation: [ˈswa.vɔʂ uzˈnaɲ.ski viɕˈɲɛf.ski]; né Uznański; born 12 April 1984) is a Polish astronaut and engineer working at the European Space Agency (ESA), formerly employed at CERN.
View the Source
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