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A copper water tank in the form of a rectangular parallelopiped is to made. If its length is to be a times its breadth, how high should it be that for a given capacity it should cost as little as possible?
Given a wooden log of diameter 2 feet 5 inches from which a 7 inch thick board is to be cut, what is the maximum possible width of the board?

Original source material from seventeen mathematicians, with commentary by Stephen Hawking.

We sadly announce the untimely death of one of Convergence's editorial board members.
A man died leaving 3 sons, to whom he bequeathed his estate in the following manner: to the eldest he gave 184 dollars; to the second 155 dollars and to the third 96 dollars;

A study of the solution of quartic equations in Cardano's Ars Magna and in the work of Euler and Descartes.

Two men start walking at the same time and travel a distance. One is walking faster and completes the journey sooner. How fast did each man travel?
This meeting will take place at the MAA Carriage House in Washington, DC on April 19, 2008.
A father left $20,000 to be divided among his four sons ages 6, 8, 10, and 12 years respectively so that each share placed at 4 1/2 compounded interest should amount to the same value when its possessor becomes the age 21.
A wooden log is encased in a wall. If we cut part of the wall away to a depth of 1 inch...