Fig. 4From: Analysing malaria events from 1840 to 2020: the narrative told through postage stamps Postage stamps, the Cinchona plant and quinine synthesis. Issue year: Peru (1935) Miraculous lake water which cured fevers; Cuba (1962); Republic of Congo (1962); United Nations (1990). République de Guinée commemorative issue (2015) showing Bob Woodward, who first synthesized quinineBack to article page