A discussion by a panel of experts under the guidance of David Lloyd James
Those taking part include A. L. Bacharach , Ian Boyd , George Edwards , and Percy Dunsheath
It is not usually possible to pin down an invention to an exact date-an invention is usually the culmination of many years' work. So inventions of 1949 wilt mean those that have attracted attention within the past twelve months. The experts may deal with anything from robot demon bowlers to plastic helmets for firemen.