 He was discharged from the army and returned to Dents.On 15 July 1944, Underwood married at St. Mary's Church in nearby Baldock (his wife, Joyce, died in 2003 after having suffered with Parkinson's disease for 14 years).Underwood was much influenced by the work of Harry Price - the grandfather of ghost-hunting - and was particularly struck by Price's ‘The End of Borley Rectory’, which he read immediately when it was first published in 1946.