. . . "Roman Grodecki (21 April 1889, in Rzesz\u00F3w \u2013 17 April 1964, in Krak\u00F3w), Poraj coat of arms, was a Polish economic historian, a professor at the Jagiellonian University in Krak\u00F3w, and a member of the Polish Academy of Arts and Sciences. Grodecki's scientific research centered on medieval Poland, particularly the history of Polish coinage, monetary history and monetary policy under the Piast dynasty. Although he was not a numismatic himself, Grodecki was widely read by coin collectors of his day, and he engaged in academic discussions and polemics with the noted Polish numismatic . In addition to economic history, Grodecki published works on the general history of medieval Poland, focusing on Polish diplomacy of the period, the history of Silesia and the life of Duke Zbigniew, the older brother of Boles\u0142aw III Wrymouth."@en . . . . "1964-04-17"^^ . . . . . . . . . . . . "Roman Grodecki"@pl . . . . . "1889-04-21"^^ . "Polish"@en . "1964"^^ . "5617"^^ . . . . . . . . . "1889-04-21"^^ . "1083182600"^^ . . . . "29866888"^^ . . . . . . . . . . . "Roman Grodecki (21 April 1889, in Rzesz\u00F3w \u2013 17 April 1964, in Krak\u00F3w), Poraj coat of arms, was a Polish economic historian, a professor at the Jagiellonian University in Krak\u00F3w, and a member of the Polish Academy of Arts and Sciences."@en . . "historian"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Roman Grodecki"@en . . . . . . . . . . . . "Roman Grodecki"@en . . "Roman Grodecki herbu Poraj (ur. 21 kwietnia 1889 w Rzeszowie, zm. 17 kwietnia 1964 w Krakowie) \u2013 polski historyk, profesor Uniwersytetu Jagiello\u0144skiego, cz\u0142onek PAU."@pl . . "Roman Grodecki herbu Poraj (ur. 21 kwietnia 1889 w Rzeszowie, zm. 17 kwietnia 1964 w Krakowie) \u2013 polski historyk, profesor Uniwersytetu Jagiello\u0144skiego, cz\u0142onek PAU."@pl . . . . . . "1889"^^ . . "Roman Grodecki"@en . . . . "1964-04-17"^^ . . . . . . . . . .