Australian children's television presenter, singer-songwriter, guitarist and musician. He had a long-running role on Play School on both the Australian version and the United Kingdom version, the only presenter 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 2007 he was awarded a Medal of the Order of Australia 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"...