Citation: L. Jaenicke, A problem cannot be solved unless one sees it (F. Schmitz 1883). Lothar Geitler (1899-1990) and the endosymbionts: Revolutionary as a twen, conservative till ripe old age, PROTIST, 151(4), 2000, pp. 353-365
Citation: L. Jaenicke, "To have eyes is common - to use them is rare" - Ernst Bresslau (1877-1935) as protistologist, PROTIST, 150(3), 1999, pp. 345-353
Citation: L. Jaenicke, Clara Hamburger and Dunaliella salina Teodoresco - a case study from the first half of the XXth century, PROTIST, 149(4), 1998, pp. 381-388