The street name derives from the name of the famous man. Here is a brief description of him:

Jan Dantyszek, Jan Dantyszek, actually (born November 1, 1485 in Gdansk, Poland, died. October 27, 1548 in Lidzbark) - Polish traveler, diplomat, bishop of Chelmno residing in Lubawa (since 1530), Warminski (1537), Polish-Latin poet of the Renaissance period, King's secretary, wrote love elegies. The most famous piece is a metaphysical Dantyszek Tombstone himself. The first ever Polish diplomacy ambassador. The name of this street was given on his part.

More information can be found here :

Jan Dantryszek