 He organized and was the Chairman of the British Honduras Cyclists Association and his Cross Country Cycle Races demonstrated in a tangible manner the urgency of a road programme for the Colony.Metzgen was Chairman of the Debating Club for 10 years and campaigned for the establishment of a Public Library and a Town Hall for Belize.A ""Handbook of British Honduras"" was compiled by him in 1925, with the assistance of Mr. H.E.C.