Architectural- and garden historian;  photographer.  Born to a British military officer stationed at the time at the Khyber Pass, Pakistan, she grew up in a military family.  Educated in Bath, England, in a secondary school for daughters of British officers, she never attended higher education. Johnson worked for the British government in Paris as part of a public relations unit (and perhaps also for British military intelligence) in the years before World War II.  She returned to Britain where she married a British army officer, working for the Foreign Of