Prince Jan Franciszek Czartoryski or Blessed Michał (19 February 1897–6 September 1944) was a Polish noble and a Dominican friar.

[1] He came from a large aristocratic Polish family, and received a careful thorough education in a private school near Warsaw.

After passing his maturity exam in Kraków he studied at Lviv Polytechnic, obtaining the title of architect engineer in 1926.

[3] During the Warsaw Uprising he was the chaplain of the Armia Krajowa Group "Konrad" and was shot by German troops.

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