Henrietta Swan Leavitt they became an important part of the evidence that "spiral nebulae" are independent galaxies located far outside of our own Milky Way. Thus, Leavitt's discovery would forever change our picture of the universe, as it prompted Harlow Shapley to move our Sun from the center of the galaxy in the "Great Debate" and Edwin Hubble to move our galaxy from the center of the universe. Leavitt's discovery of a way to accurately measure distances on an inter-galactic scale, paved the way for modern astronomy's understanding of the structure and scale of the universe. The accomplishments of Edwin Hubble, the American
A Demon of Our Own Design approach that may ignore fine grained stimuli. Risk management, however sophisticated it is or can become, will not end this vulnerability. To the contrary, "the more intricate risk-management structures may actually make the system worse." The book, in fact, "provides a warning about injudiciously applying advanced quantitative techniques to investment instruments". The dust jacket carries a detail of "The Fall of Icarus," by Jacob Peter Gowy. A Demon of Our Own Design A Demon of Our Own Design: Markets, Hedge Funds, and the Perils of Financial Innovation (2007) is a book by veteran Wall Street risk manager Richard Bookstaber. The