Franz Reuleaux

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Franz Reuleaux
Born	30 September 1829  Eschweiler
Died	20 August 1905  (aged 75)
Academic career
Doctoral advisor	Ferdinand Redtenbacher
Doctoral students	Carl von Linde
Signature

Franz Reuleaux (French: [ʁœlo]; German: [ʁøˈloː]; 30 September 1829 – 20 August 1905) was a German mechanical engineer and a lecturer of the Berlin Royal Technical Academy, later appointed as the president of the academy. He was often called the father of kinematics. He was a leader in his profession, contributing to many important domains of science and knowledge.

Today, he may be best remembered for the Reuleaux triangle, a curve of constant width that he helped develop as a useful mechanical form.