Salvinu Tellus was born in Sliema on 26 September 1918. He studied at the Flores College, at the Lyceum and at the University of Malta. He joined the civil service in 1937 as a postal clerk. In 1949 he moved to the Income Tax Department. During World War II he worked at the Air Raid Warning System, the Telephone Department and the Home Guard.
Between 1946 and 1970 he produced and co-presented a number of children's programmes on the Rediffusion cable radio service. From 1962 to 1963 Tellus also hosted similar shows on the newly-launched Malta Television service.
He was a member of the Malta Society of Arts, Manufactures and Commerce, the Malta Atlantic Association and was a founding member and Vice President of the first Maltese organisation for the parents of handicapped children. Tellus was also President of the Guardian Angel School for a number of years.
He was married to Rita Briffa and they had eight children. Following the death of his first wife, he married Mary Abela in 1982.
He died on 14 October 2005 at the age of 86.