Karl Wilhelm Ernst Joachim Schönborn (May 8, 1840 – 1906) was a German surgeon who was a native of Breslau.
He studied medicine at the Universities of Breslau, Heidelberg, Göttingen and Berlin, receiving his medical doctorate in 1863.
At Berlin, he worked as an assistant to Robert Ferdinand Wilms (1824-1880) at Bethanien Hospital and to Bernhard von Langenbeck (1810-1887) at the university hospital.
Schönborn is remembered for his surgical work involving velopharyngeal insufficiency (VPI), commonly referred to as cleft palate.
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