Euclid was a renown geometer.    From LearnThat.org. 

Greek geometer, and that Hamilton invented quaternions.    From Wordnik.com.  [A Librarian's Open Shelf] Reference

Mrs. Somerville dined with this great geometer in Paris.    From Wordnik.com.  [The Atlantic Monthly, Volume 05, No. 31, May, 1860] Reference

Consider for instance the case of Brumfiel, a real algebraic geometer.    From Wordnik.com.  [Explanation in Mathematics] Reference

After all, the geometer does not need to offer multiple proofs of his theorem.    From Wordnik.com.  [Plato's Ethics and Politics in The Republic] Reference

But the geometer treats him neither qua man nor qua indivisible, but as a solid.    From Wordnik.com.  [Metaphysics] Reference

The space of painting is no abstract aspect of things such as the geometer elaborates.    From Wordnik.com.  [The Principles of Aesthetics] Reference

Synthesis, on the other hand, reverses the process: the geometer starts with what is known.    From Wordnik.com.  [Dictionary of the History of Ideas] Reference

Warning: the following may be humor that “only a computational geometer can appreciate”.    From Wordnik.com.  [Life on Mars? The real lesson from Lowell - The Panda's Thumb] Reference

Even math-phobes have the name of that ancient Greek geometer filed away in their consciousness.    From Wordnik.com.  [All Hail the Hypotenuse] Reference

Apollonius of Perga was a Greek geometer and astronomer noted for his writings on conic sections.    From Wordnik.com.  [Archive 2009-03-01] Reference

For more on hyperbolic space, check out this interview with Taimina and geometer David Henderson.    From Wordnik.com.  [Daina Taimina’s Hyperbolic Planes] Reference

The astronomer, the geometer, rely on their irrefragable analysis, and disdain the results of observation.    From Wordnik.com.  [Nature] Reference

And in the same way the geometer does not consider the attributes which attach thus to figures, nor whether.    From Wordnik.com.  [Metaphysics] Reference

There she met Emmy Noether, the preeminent woman mathematician of the century, and Princeton geometer Oswald Veblen.    From Wordnik.com.  [Olga Taussky-Todd.] Reference

And chanting she turned, the bronze ferule tracing a circle on the stone precisely as a geometer could have graven with a compass.    From Wordnik.com.  [In Celebration Of Lammas Night]

To a man like Monte-Leone nothing was lost, and like a skilful geometer, he knew how to take advantage of the errors of his adversary.    From Wordnik.com.  [The International Magazine, Volume 2, No. 2, January, 1851] Reference

The history of ethical theory appears to make it clear that the "given" of the moralist is not of the same nature as that of the geometer.    From Wordnik.com.  [A Handbook of Ethical Theory] Reference

To see this he must invent additional lines; and the geometer must often draw such to get at the essential properties he may require in a figure.    From Wordnik.com.  [Human Traits and their Social Significance] Reference

Ptolemy Lagus, flourished Euclid, the great geometer, whose work forms the basis of the science of geometry as taught in our schools at the present time.    From Wordnik.com.  [General History for Colleges and High Schools] Reference

This is actually the case, and I hope to be able to convince my readers that it is no fanciful theory, but may be demonstrated as clearly as the problems of the geometer.    From Wordnik.com.  [The Atlantic Monthly, Volume 10, No. 57, July, 1862] Reference

Hippocrates of Chios is mentioned by Aristotle as an instance to prove that a man may be a distinguished geometer and, at the same time, a fool in the ordinary affairs of life.    From Wordnik.com.  [The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield] Reference

This circumstance will not embarrass the geometer.    From Wordnik.com.  [The Story of the Heavens] Reference

In him the freest abandonment is united with the precision of a geometer.    From Wordnik.com.  [Representative Men] Reference

TVOntario has produced a very fine documentary based on the life of geometer.    From Wordnik.com.  [ScienceBlogs Channel : Physical Science] Reference

The geometer takes any set of axioms that seem interesting, and deduces their consequences.    From Wordnik.com.  [Mysticism and Logic and Other Essays] Reference

A born geometer, he was naturally sent to Göttingen and placed under the tuition of Gauss.    From Wordnik.com.  [A Popular History of Astronomy During the Nineteenth Century Fourth Edition] Reference

He is more than an expert, or a school-man, or a geometer, or the prophet of a peculiar message.    From Wordnik.com.  [Representative Men] Reference

Maupertuis was the hero of a day, and Helvétius accordingly applied himself to become a geometer.    From Wordnik.com.  [Diderot and the Encyclopædists Volume II.] Reference

According to this octavo geometer and quarto gentleman, a diameter of 81 gives a circumference of 256.    From Wordnik.com.  [A Budget of Paradoxes, Volume I (of II)] Reference

Dante compares himself, when bewildered, to a geometer who cannot find the principle on which the circle is to be measured.    From Wordnik.com.  [A Budget of Paradoxes, Volume II (of II)] Reference

Thus the geometer leaves to the man of science to decide, as best he may, what axioms are most nearly true in the actual world.    From Wordnik.com.  [Mysticism and Logic and Other Essays] Reference

(M868) The time gained by this eminent engineer, as well as geometer, enabled the Carthaginians to send an army to relieve Syracuse.    From Wordnik.com.  [Ancient States and Empires] Reference

The uniformity of movement, upon the probabilities connected with which the French geometer mainly based his scheme, thus at once vanishes.    From Wordnik.com.  [A Popular History of Astronomy During the Nineteenth Century Fourth Edition] Reference