A Cone with a Sphere on top

      The phrase used as title for this post, "A cone with a sphere on top" -- from a slightly-mathy poem by Katharine O'Brien (1901-1986), "Einstein and the Ice Cream Cone" -- has caused me to visualize a Christmas tree and so, in this holiday season, I offer it to you.  Enjoy!  And Happy Holidays!

     Einstein and the Ice Cream Cone     by Katharine O'Brien

     His first day at Princeton, the legend goes,
     he went for a stroll (in his rumpled clothes).
     He entered a coffee shop --- moment of doubt --
     then climbed on a stool and looked about.
     Beside him, a frosh, likewise strange and alone,
     consoling himself with an ice cream cone.   

The Fruits of Undefinitions

     The poem "Undefined Terms" by poet-mathematician Katharine O'Brien (1901-1986) is a favorite of mine from long ago that I re-found recently here . . . for greatest enjoyment, read it aloud.

Undefined Terms     by Katharine O'Brien

A point is a point, a line is a line,
   a rose is a rose is a rose.
We thus undefine in the manner of Stein
   some terms in unrhyme and unprose.  

On these as foundation we lay definitions,
   the girders for walls and a roof.
We assume some conditions to fit requisitions
   and build us a logical proof.

United by ice cream -- the sphere and cone

     During recent months I have been part of an online course that has helped me and a dozen others to learn steps for editing Wikipedia -- with the goal that we will be able to add biographies of "Women in Science and Mathematics" to that enormous online encyclopedia (in which, currently, less than 18% of the biographies feature women).    The course has led me to SEARCH Wikipedia using names of women I admire -- and it will be my intent to work toward addition of those missing.  One such woman -- a mathematics PhD, a talented teacher, a poet -- is Katharine O'Brien (1905-1986).  I introduce her below with one of her mathy poems (first published in The Mathematics Teacher in 1968).

     Einstein and the Ice Cream Cone       by Katharine O'Brien

     His first day at Princeton, the legend goes,
     he went for a stroll (in his rumpled clothes).
     He entered a coffee shop -- moment of doubt --
     then climbed on a stool and looked about.
     Beside him, a frosh, likewise strange and alone,
     consoling himself with an ice cream cone.

More from BRIDGES poets . . .

     The 2016 BRIDGES Math-Arts Conference is currently taking place at the University of Jyväskylä in Jyväskylä, Finland.  Poets on this year's program include: Manfred Stern, Vera Schwarcz, Eveline Pye, Tom Petsinis, Mike Naylor, Alice Major, Emily Grosholz, Carol Dorf, Tatiana Bonch-Osmolovskaya, Madhur Anand and the organizer, Sarah Glaz.
      Although he is not a participant in this year's BRIDGES, the name of Portuguese mathematician, poet, and translator Francisco José Craveiro de Carvalho appears near the top of the conference's poetry page for his translation of these lines that have become a sort of motto for BRIDGES poetry:

             Newton's binomial is as beautiful as Venus de Milo.
             What happens is that few people notice it.

                        --Fernando Pessoa (as Álvaro de Campos)
                          translated from the Portuguese by Francisco Craveiro