Twentieth-century researcher Ernest John Christopher Polge studied the reproductive processes of livestock and determined a method to successfully freeze, thaw, and utilize viable [4] sperm [5] cells to produce offspring in animals. In 1949, Polge identified glycerol as a cryoprotectant, or a medium that enables cells to freeze without damaging their cellular components or functions. Several ye...

I should like to thank the Society for the honour you have done me by asking me to read a paper. I have always had a great respect for this Society, which I believe is one of the oldest as well as one of the most important of all obstetrical societies, and like gynaecologists throughout the Englishspeaking world, I have held in reverence for many years the great teachers of the Edinburgh School...

Diabetes occurring in association with pregnancy is a condition of the utmost gravity. It is one fraught with danger to both mother and child, and, in dealing with it, the skill of the obstetrician and of the physician may be alike put to the test. Fortunately, the complication is a rare one, for diabetes exerts an unfavourable influence upon the reproductive functions, giving rise at first to ...

It is, with heavy hearts, that we report that our friend and mentor, Theodore J. Rivlin, died on July 22, 2006, in Croton-on-Hudson, New York, just weeks before his 80th birthday. He had suffered from Alzheimer’s disease in his final years. Ted was an associate editor of Journal of Approximation Theory from its inception in 1968. Ted was born on September 11, 1926, in Brooklyn, New York. He rec...