David McCallum, Sr. (March 26, 1897 – March 21, 1972) was the Scottishconcertmaster violinist of the Royal Philharmonic Orchestra, the London Philharmonic Orchestra, and the Scottish National Orchestra. He was also the father of David McCallum. March 26 is the 85th day of the year in the Gregorian Calendar (86th in leap years). ... 1897 (MDCCCXCVII) was a common year starting on Friday (see link for calendar). ... March 21 is the 80th day of the year in the Gregorian Calendar (81st in leap years). ... 1972 (MCMLXXII) was a leap year starting on Saturday. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Concert-master. ... The Royal Philharmonic Orchestra (RPO) is an English orchestra based in London. ... The London Philharmonic Orchestra (frequently abbreviated to LPO), based in London, is one of the major orchestras of the United Kingdom. ... David Keith McCallum (born September 19, 1933 in Glasgow) is a Scottish actor and the son of concertmaster violinist David McCallum Sr. ...