Ivan Lendl and Ken Rosewall, have which occupation in common?
Ivan Lendl Ivan Lendl (] ; born March 7, 1960) is a retired tennis player originally from Czechoslovakia who became a United States citizen in 1992. He is often considered among the greatest in the sport's history. He was the world No. 1 for 270 weeks in the 1980s and finished his career with 94 singles titles. At the majors he won eight titles and was runner-up a record 11 times. He also won seven year-end championships and a record 22 Grand Prix Super Series titles.
Arthur Österwall Arthur Österwall ("Sven Artur Österwall", 6 March 1910, in Stockholm, Sweden – 27 February 1990, in Stockholm) was a Swedish band leader, composer, vocalist and musician (double bass). Österwall first appeared in his brother Seymour Österwall's orchestra, but in 1944 formed his own orchestra. He often led foreign orchestras' tours in Sweden. He was also a jazz columnist and entertainment reporter in the "Evening Post".