He also wrote a work scored for 52 string instruments which took third prize at Katowice's Composer's Competition in 1960.  
His fourth symphony, which is known as "Adagio," was written to commemorate the bicentennial of the French Revolution, while his seventh was written to commemorate the 3,000th year of a certain city.  In addition to Seven Gates of Jerusalem, he has written a piano concerto known as Resurrection, but he is better known for vocal works such as Dimensions of Time and Silence and his 1967 St. Luke's Passion.  He also wrote a work scored for 52 string instruments which took third prize at Katowice's Composer's Competition in 1960.  FTP, name this composer of Threnody for the Victims of Hiroshima and the Polish Requiem.
His fourth symphony, which is known as "Adagio," was written to commemorate the bicentennial of the French Revolution, while his seventh was written to commemorate the 3,000th year of a certain city.  
Krzysztof Penderecki