2012
Piotr Lenartowicz, Polish philosopher and educator (born 1934)
Piotr Lenartowicz, Polish philosopher and educator (born 1934)
Piotr Lenartowicz, Polish philosopher and educator (born 1934)
Polish philosopher (1934–2012)
Piotr Lenartowicz, Polish philosopher and educator (born 1934)
Piotr Lenartowicz, Polish philosopher and educator (born 1934)