Dean's Problems

Demonstrate that if two trihedral angles have dihedral angles respectively equal, then their face angles are equal.

For 15 years Columbia's Dean Herbert Edwin Hawkes has dangled this poser before his freshman class in mathematics. Prize for solution, by solid geometry only, was an automatic A in the course. Fifteen flights of freshmen were baffled until this term when one Herman Gewirtz of Brooklyn slapped down a solution complete in 50 steps, plus drawings.

"Beautiful!" cried Dean Hawkes.

"What would have been your solution?" asked a newshawk last week.

"Well, now," hemmed the Dean, "I really haven't concentrated on the problem. Too much else to do."

A problem he could not ignore confronted Dean Hawkes when, after months of quiet sleuthing, Editor Arnold Beichman of Columbia's Spectator and another senior presented him with evidence of "financial irregularities" in the management of two student dances. Object of the charges was their classmate Robert M. Tierney, editor-in-chief of the Columbian (yearbook), senior member of the Student Board of Representatives, last year's president of his class. Last week Dean Hawkes announced that he had asked Senior Tierney "not to register for the spring session."

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