Waldemar Maciszewski was a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 pianist and composer.

Macizewski was born in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

 in 1927. He trained under Zbigniew Drzewiecki

Zbigniew Drzewiecki

Zbigniew Drzewiecki was a Polish pianist especially associated with the interpretation of Chopin's works, who was for most of his life a teacher of pianists. His pupils include several famous pianists of the 20th century, and his influence was therefore very pervasive.Drzewiecki was born in Warsaw...

 at the underground Warsaw Conservatory throughout World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 and at the Cracow State Music Academy

Academy of Music in Kraków

The Academy of Music in Kraków is a conservatory located in downtown Kraków, Poland.-History:The Academy, until 1945 as a conservatory under the name Cracow Conservatory or Conservatory of the Music Society, was founded in 1888 by the eminent Polish composer Władysław Żeleński thanks to artistic...

 from 1945-48. He ranked 6th at the 1948 Béla Bartók Competition, and was awarded the just reinstated 1949 International Frédéric Chopin Piano Competition's 3rd prize. One year later he shared 3rd prize with Jörg Demus

Jörg Demus

Jörg Demus is an Austrian pianist.At the age of six, Demus received his first piano lessons. Five years later, at the age of 11, he entered the Vienna Academy of Music, studying piano and conducting. He graduated in 1945, then 17 years old...

 at the inaugural edition of the Johann Sebastian Bach Competition in Leipzig.

In addition to his concert career, he was active as a jazz musician and performed popular music. As a composer he composed two Concertinos for piano and orchestra, a band Suite, a choral Suite on Wielkopolska's folklore, songs and incidental music both for theatre plays and the radio.

He died at 29, run over by a train.