An Ophthalmic Case-Book of Eighty Years Ago

Eighty years ago: the beginnings of population genetics.

I suppose that every teacher of elementary genetics has at one time or another encountered the b lief that in the absence of counteracting factors there should be three times as many dominant as recessive phenotypes in the population. It was this statement that induced G. H. HARDY in 1908 to write his famous paper. He started out somewhat apologetically, saying: “I am reluctant to intrude in a ...

Eighty years of random networks

The 80 years since Zachariasen’s famous paper, 20 years before Stephen Elliott was born, on the random network theory of glass structure have seen remarkable progress in our understanding of the structure of glassy materials through the construction of models and comparison with experiment. In the early days, models were hand-built with plastic units and had free boundary conditions. Today, ver...

40 Years Ago

always voice his unhappy or distressing thoughts, and it is often most difficult to recognise the way he is tending, or having recognised it to induce him to seek the help and advice that would save him. And even when his condition has been realised and the man himself persuaded to have treatment, the difficulties in the ^ay of obtaining it for him are often insuperable. Outside of London and a...

Twenty Five Years Ago

so rarely met witH that a description of the following case is not without interest. AEuropean, aged 38, was admitted on the 4th February, 1929, with paresis of the left arm and leg. His previous history showed that he contracted syphilis in 1915, for which he was treated with a full course of murcury and galvarsan. In 1919 his Wasserman reaction was still positive and he had a further course j...

Seventy Five Years Ago