Introduction: the Armenians -- Sinai diary -- How it all started -- The first expedition, March 4-5, 1979 -- The second expedition, May 9-17, 1979 -- The third expedition: the central Sinai route, June 16-18, 1979 -- Fourth expedition: Mt. Sinai, February 23-25, 1980 -- Negev diary, April 19-21, 1990 -- Retrospective, 2016.