Correspondence with Mathematician H.S. Coxeter

This is a letter Kurt received from HS Coxeter in response to Kurt's inquiry about the name bestowed upon a geometric figure--Segre's Figure--described as consisting of fifteen lines and fifteen points, with three points on each line. Kurt developed…

This is a letter Kurt received from HS Coxeter in response to Kurt's inquiry about the name bestowed upon a geometric figure--Segre's Figure--described as consisting of fifteen lines and fifteen points, with three points on each line. Kurt developed a three-dimensional representation of Segre's Figure, a photo of which he sent to Professor Coxeter.

Here's Kurt with his three-dimensional construct of Segre's Figure.

Here's Kurt with his three-dimensional construct of Segre's Figure.

Professor Coxeter included this drawing with his letter to Kurt, a figure of twenty-one lines and twenty-one points.

Professor Coxeter included this drawing with his letter to Kurt, a figure of twenty-one lines and twenty-one points.

This is a page of notes Kurt kept about Coxeter's work.

This is a page of notes Kurt kept about Coxeter's work.

Here's a note Kurt kept about Corrado Segre, after whom the Segre figure is named. The quote reads: "By such men it is that what is valuable in our civilization is sustained."

Here's a note Kurt kept about Corrado Segre, after whom the Segre figure is named. The quote reads: "By such men it is that what is valuable in our civilization is sustained."