Hungarian orchestra and opera conductor, born 28 August 1929 in Budapest, Hungary and died 16 April 1973 in Kfar Saba, Israel.
For the the classical violinist, use István Kertész.
http://en.wikipedia.org/wiki/Istv%C3%A1n_Kert%C3%A9sz_(conductor)
http://www.naxos.com/person/Istvan_Kertesz/13992.htm