Q:Facts:   - residence: madras , india    - daviscupresult: f , 1966 ch , 1968 -rrb- -lrb- 1956 , 1959 , 1962 , 1963    - wimbledonresult: sf -lrb- 1960 , 1961 -rrb-    - usopenresult: 3r -lrb- 1957 , 1959 -rrb-    - updated: 11 december 2012    - team: yes    - wimbledondoublesresult: qf -rrb- -lrb- 1955 , 1959 , 1965 , 1967    - frenchopenresult: qf -lrb- 1962 -rrb-      - birth date: 11 april 1937    - name: ramanathan krishnan    - birth place: nagercoil , india    - turnedpro: 1953   Based on these bullet points, write a short biography describing the life of ramanathan krishnan .
A:
ramanathan krishnan -lrb- born 11 april 1937 , boothapandi village , nagercoil , india -rrb- is a retired tennis player from india who was among the world 's leading players in the 1950s and 1960s .he was twice a semifinalist at wimbledon in 1960 and 1961 , reaching as high as world no. 6 in lance tingay 's amateur rankings .