Donald Richard Spencer (born 22 March 1941), is an Australian children's television presenter, singer-songwriter, and guitarist. He had a long-running role on Play School on both the Australian version (1968–99) and the United Kingdom version (1972–88), one of only two presenters to work on both versions. In March 1963, his first single, "Fireball" – the theme tune to a UK TV science fiction series Fireball XL5 – reached No. 32 on the UK Singles Chart. In 2002, Spencer established the Australian Children's Music Foundation. On Australia Day (26 January) 2007, he was awarded a Medal of the Order of Australia (OAM) with the citation "for service to children's music and television as a songwriter and performer, and through the establishment of the Australian Children's Music Foundation". Spencer married Julie Horsfall, they have two children: Dean, a musician; and Danielle, an actress and singer, who was married to actor Russell Crowe between 2003 and 2018. Early life Donald Richard Spencer was born on 22 March 1941, the son of John Henry and Lillian May in Tamworth. Spencer attended Tamworth High School. He played hockey as a teenager and competed in the Australian championships. At 17, he left Australia and travelled to Africa, where, in his 20s, he trained with the Kenyan hockey team, trying out for the Olympics. A chance meeting with locally-born, singer-songwriter, Roger Whittaker, in Nairobi inspired Spencer to buy a guitar and start his musical career. Career debut In the early 1960s, Don Spencer moved to London and became a solo singer-guitarist, supporting various acts such as The Rolling Stones, the Four Seasons, The Hollies and Marianne Faithfull. His first single, "Fireball", was released on the His Master's Voice label; it was the closing theme song for the television science fiction series Fireball XL5, written by Barry Gray. In March 1963, it reached No. 32 on the UK Singles Chart. Other singles included "Busy Doing Nothing", "Worried Mind", "Marriage Is for Old Folks", and a cover of The Beatles' 1965 song "In My Life". In 1964, he covered Brent Edwards' version of Johnny Madara and David White's track "Pride Is Such a Little Word". Spencer presented his own teenage pop show Gangway! for seven years; afterwards, he co-hosted Pop-In. He later appeared in TV comedies such as Face It with Ronnie Barker. Returning to Australia, he appeared on TV's Bandstand, and he has subsequently acted in Sons and