The story of 40 American scientists who, using modern instrumentation, tackled the problem of how the image was formed - and the remarable conclusions to which they came. Put this in your library and it will become a reference for future generations of your family. The basic understanding of the research performed is well told and entertaining to read. Even the most complicated of topics are treated with the intention of comprehension by a general audience. Lbrary book - good condition This is a collector's item. Get it. Keep it.