12 September 2019 The Art of Underground Travel by David Burnell

    10 October 2109 The Amersham Martyrs by Dr Peter Burrows

    14 November 2019 Mabel Neville: the story of a local survivor of the Lusitania by Greg McCormick

    12 December 2019 Cassiobury, the ancient seat of the Earls of Essex by Paul Rabbitts

    9 January 2020 West House and the Heath Robinson Museum by Cynthia Wells

    13 February 2020 The Antikythera mechanism: an ancient Greek astronomical calculating device by Aris Dacanalis

    12 March 2020 Chenies Manor and the Russell Family by Alison Wall

    9 April 2020 Beacons of the Past: investigating a prehistoric Chilterns landscape by Dr Wendy Morrison

    14 May 2020 Rickmansworth Week Lecture: Lord Ebury's Railway  by Chris Hillier

    11 June 2020 66th AGM then The Slave Owners of West Hertfordshire by Brian Thomson