1886/88 Two scholarships from the Grand Duke of Baden for stays in Italy; There, engineering advice for the railway line from Naples to Calabria and in the course of this activity research and partial excavation of the castle hill of the ancient Greek colony town of Elea (lat. Velia). Railway line through the castle hill of Elea, drawing by W. SchleuningSchleuning’s site plan of EleaThe village Pisciotta near the site of ancient Elea. Drawing by W. Schleuning, 1888.
Two travel sketchbooks from Schleuning’s stay in Italy in 1888 have survived: sketchbook A; sketchbook B.
Silver coin of ancient Elea (verso). Gift from Martina Dieterle to Lambert Schneider for his 60th birthday, 2003.
1891
Doctorate to Dr. Ing. in Karlsruhe.
1894
Marriage to Marion Schleuning, b. Rosenplaenter (*23.03.1867; †23.05.1947).
Freelance architect and engineer. Inventions: hollow brick; Terranova (a hard, resistant plaster for exterior walls of buildings).
1911
Foundation of the Cella Patent Realisation Company. Due to the early and unexpected death of Wilhelm Schleuning, it was not possible to effectively patent his inventions, which is why the family became impoverished after his death.
Children of Wilhelm und Marion Schleuning, née Rosenplaenter:
Hans Schleuning. *June 19,1900 Berlin †August 29, 1939 Falkenberg.
Marion Schleuning (wife of the publisher Lambert Schneider and mother of the archaeologist Lambert Schneider). *June 23, 1903 Berlin; †June 1, 2000 Hamburg.
The Schleuning family on a beach holiday, around 1910: In the beach chair the parents Wilhelm and Marion, between them on the left daughter Marion (who later became the mother of Lambert Schneider), on the right her sister Dorothea [“Dolla”]; in front of the beach chair, the sons Hans and Wilhelm (who later became the conductor); lying down: a domestic help.
Wilhelm Schleuning: Velia in Lucanien. In: Jahrbuch des Deutschen Archäologischen Instituts 4 (1889) p. 169-194. Reprint: Nabu Press (May 25, 2010). ISBN 978- 1149718339.
Bert Burger: Klosterruine St. Michael auf dem Heiligenberg. Beginn der Ausgrabungen durch Wilhelm Schleuning 1886. In: Jahrbuch des Stadtteilvereins Handschuhsheim 2006, p. 47-52.
2012
Dirk Krausse (Hrsg.): Forschungen zum Heiligenberg bei Heidelberg. Forschungsgeschichte, Fundmaterial, Restaurierung. (ed.: Landesamt für Denkmalpflege im Regierungspräsidium Stuttgart: Forschungen und Berichte der Archäologie des Mittelalters in Baden-Württemberg, vol. 32, p. 20 ff). Stuttgart 2012.