When was the Ozone Hole First Discovered? And by Whom?
In 1956, G. M. B. Dobson, the Oxford professor for whom the Dobson unit of ozone measurement is named, first reported that in September-October 1956 at Halley Bay, Antarctica, atmospheric ozone was at a lower level than expected in the early spring, but that it returned to normal in November. In 1985 a British group, again at Halley Bay, reported that beginning in 1975 short-lived declines in atmospheric ozone were observed in October, but levels returned to normal in November. . . These reports are often taken to be empirical verification of man's destruction of the ozone. On the contrary, what those reports say is that ozone seems to vary seasonally at certain locations-which is no more alarming than a report that in Boston many flowers seem to die in October a ...more