Born in 1930's Germany, Heinz-Otto Kreiss is a renowned mathematician in the field of computational mathematics and professor emeritus at the University of California, Los Angeles, now residing in Sweden. A mathematician is a person whose primary area of study and research is the field of Mathematics. Computational mathematics involves mathematical research in areas of science where computing plays a central and essential role emphasizing algorithms numerical The University of California Los Angeles (generally known as UCLA) is a public research university located in Westwood Los Angeles, California, United He earned his Ph. D. at Kungliga Tekniska Högskolan in 1959. The Royal Institute of Technology or Kungliga Tekniska högskolan ( KTH) is a University in Stockholm, Sweden.