Sources
Celebration of the life of the pioneer of Kenya flowers Hans Zwager
A biographical tribute useful for researching Hans Zwager, Oserian and Naivasha’s floriculture heritage, including agricultural enterprise, geothermal energy and conservation.
A commemorative Floriculture article about Johannes Ewaldus Maria “Hans” Zwager, his association with Oserian and his contribution to Kenya’s flower industry. It reports on a celebration at Oserian Stadium, Naivasha, on 20 December 2016 and outlines his business, conservation and community initiatives.
