World Peace Congress in Munich 1907: Bertha von Suttner (seated row, second from left), Ludwig Quidde (next to the right), Frédéric Passy (next to the right), Henri La Fontaine (to her right) and A. H. Fried (standing row, third from the right). Esperanto World Congress, Boulogne-sur-Mer 1905, group photo of some participants. Alfred Hermann Fried…

Henri La Fontaine and Ludwig Quidde at the opening session of the XXIIIrd Universal Peace Congress in the Reichstag Room, Berlin, 1924. Henri La Fontaine and his wife Mathilde Lhoest in the dining room of their house on the Vergote Square, 1932. Henri La Fontaine at the piano, 1930. Henri La Fontaine in front of…

Henri La Fontaine and Ludwig Quidde at the opening session of the XXIIIrd Universal Peace Congress in the Reichstag Room, Berlin, 1924. World Peace Congress in Munich 1907: Bertha von Suttner (seated row, second from left), Ludwig Quidde (next to the right), Frédéric Passy (next to the right), Henri La Fontaine (to her right) and…

French economist Frédéric Passy. World Peace Congress in Munich 1907: Bertha von Suttner (seated row, second from left), Ludwig Quidde (next to the right), Frédéric Passy (next to the right), Henri La Fontaine (to her right) and A. H. Fried (standing row, third from the right).

Umm Kulthoum Mahfouz and Fatma Naguib Mahfouz receiving the Nobel Prize in literature 1988 on behalf of their father Naguib Mahfouz at the Nobel Prize award ceremony in Stockholm, Sweden on 10 December 1988. Mr. Mohamed Salmawy delivering the Nobel Lecture on behalf of literature laureate Naguib Mahfouz at the Swedish Academy, 8 December 1988.…

Selman A. Waksman at work in the laboratory, 1953. Selman Waksman and two female associates testing Streptomycin, a bacterial antibiotic produced by the soil actinomycete – chiefly used in the treatment of tuberculosis, at New Jersey Agriculture Experimental Station at Rutgers University.

Robert Koch (third from right) on a German medical expedition to Egypt to study the cholera epidemic, 1884. Robert Koch working in his laboratory at Kimberley, South Africa. Photogravure of gouache painting.

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