Walter Klapp: Amsterdam: dates unknown
Walter Klapp was an amateur photographer from Amsterdam listed in 1894 as a “Librarian and Member of the Board of the Amsterdam Department of the Netherlands Society for Horticulture and Botany” (1.) The same year, it was noted he and “A. M. van Schaïk, from Hilversum, have reached a height in the cultivation of Chrysanthemums that many a professional grower can envy them.” (2.) Lux, the Dutch photographic journal, lists his address as Willemsparkweg 139 in Amsterdam.
1. 28 September 1894 in Sempervirens, Organ of the Dutch Society for Horticulture and Botany. 2. Ibid: 23 November 1894, p. 571