Title: Briefliche Begegnungen
Subjects: Correspondence, Chemists, Chemistry, History
Places: Europe
People: H. Landolt (1831-1910), Friedrich Kohlrausch (1840-1910), Svante Arrhenius (1859-1927), Karl Seubert (b. 1851), Wilhelm Ostwald (1853-1932)
Time periods: 19th century