Sir David Brewster was a Scottish physicist, mathematician, astronomer, inventor, writer, historian of science and university principal. He discovered the photoelastic effect, which gave birth to the field of optical mineralogy. He was the inventor of the kaleidoscope and an improved version of the stereoscope that used in the photography.
In this book the author discuss the theme of natural selection. Why animals have differences in their behavior, lifestyle. In this book, Sir David Brewster also narrated the readers various interesting facts and arguments. Read this book to know more about it!
