kill the mosquitoes. Afterward the incidence of malaria decreased, and efforts to dry the swamps continued with greater force. Forestation of large areas near Hadera with eucalyptus trees was part of Yaffe's effort to change the environment in order to respond comprehensively to the disease. See also Israel Jacob Kligler (1888-1944), microbiologist and public health specialist who headed the effort for the eradication of malaria in Mandatory Palestine Gideon Mer (1894–1961), malariologist in Mandatory Palestine Healthcare in Israel References Further reading Ya'ari, Avraham (1947), Memories of the Land of Israel, Volume 2, Chapter 68: "A Doctor in the Land, Hillel Yaffe" Levy, Nissim (1998), Episodes in the History of Medicine in the Land of Israel 1799–1948. HaKibbutz HaMeuchad Publishing and the Technion – Israel Institute of Technology External links The personal papers of Hillel Yaffe are kept at the Central Zionist Archives in Jerusalem 1864 births 1936 deaths Israeli ophthalmologists Malariologists Ukrainian Jews Russian Jews Emigrants from the Russian Empire to the Ottoman Empire Russian Zionists Ukrainian Zionists People from Yekaterinoslav Governorate People from Zikhron Ya'akov