Maciej Vorbek-Lettow – Hetman Krzysztof Radziwiłł’s physician, and later one of King Władysław IV, left a memoir, Skarbnica pamięci [Treasury Rememberance], in which he described his medical studies Padua detail. Many factors contribute to the great source value this work: studied 1613–1614 as 20-year-old; had previous educational experience from various academic centers (Vilnius, Gdańsk, Paris...