Colour #2: Magnus and Evolution
In the last blog , we saw how Gladstone’s analysis seemed to suggest that the Homerian Greeks were colour blind. Lazarus Geiger came to a similar conclusion when he went over the Vedas – the ancient Indians seemed colour blind too, as were the Old Testament era folks. No word for blue, for example. The Icelandic sage and the Koran share some of these characteristics, writes Guy Deutscher in Through the Language Glass . Therefore, concluded Geiger, all of mankind must have been colour blind (relative to us today) in that era (Ancient Egypt didn’t fit in: they used blue paint and even had a name for it. But they were considered the exception to the rule). But how does one check if this colour blindness theory was true? ~~ Enter Hugo Magnus, a Prussian ophthalmologist. His contribution was facilitated by events which made the topic of colour detection a practically important topic, not just a philosophical musing. In 1875, two Swedish trains had a mass...