Person: Nicomedes
Nicomedes was a Greek mathematician famous for his treatise On conchoid lines which contains his discovery of the conchoid curve which he used to solve various mathematical problems, including the trisection of angles.
Mathematical Profile (Excerpt):
 Nicomedes himself criticised the method that Eratosthenes used to duplicate the cube and we have made a reasonably accurate guess at Eratosthenes' life span (276 BC  194 BC).
 Since Apollonius lived from about 262 BC to 190 BC these two pieces of information give a fairly accurate estimate of Nicomedes' dates.
 However, as we remarked the second of these pieces of information cannot be relied on but nevertheless, from what we know of the mathematics of Nicomedes, the deduced dates are fairly convincing.
 Nicomedes is famous for his treatise On conchoid lines which contain his discovery of the curve known as the conchoid of Nicomedes.
 How did Nicomedes define the curve.
 Nicomedes also used the quadratrix, discovered by Hippias, to solve the problem of squaring the circle.
Born about 280 BC, Greece. Died about 210 BC.
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Tags relevant for this person:
Ancient Greek, Geometry, Origin Greece, Puzzles And Problems
Mentioned in:
Epochs: 1
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References
Adapted from other CC BYSA 4.0 Sources:
 Oâ€™Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive