Tristan Needham
"I can only describe this book as amazing... it is not an exaggeration to say that there are gems in every section ... even familiar facts are frequently explained in refreshingly new ways in this wonderful book. ... many of these exercises are so absorbingly interesting that it is difficult to leave them alone. ... If your budget limits you to buying only one mathematics book in a year then make sure that this is the one that you buy."
"The pictures in this note were produced directly in PostScript. ... There are other possibilities—one very fine recent example of mathematical graphics at a high level is Needham’s Visual Complex Analysis, which used quite different tools."
"Too many textbooks neglect the historical foundations; this book is rich with history. The author has taken full advantage of modern computer graphics to provide a variety of lovely and helpful pictures... There is a rich bibliography at the end of the book spanning the gamut of both historical and modern references."
"For the more mathematically inclined who also have an interest
in keeping one foot in physical reality, I highly recommend
Tristan Needham, Visual Complex Analysis"

"Visual Complex Analysis is a delight, and a book after my
own heart. By his innovative and exclusive use of the geometrical
perspective, Tristan Needham uncovers many surprising and largely
unappreciated aspects of the beauty of complex analysis.''
Sir Roger Penrose, OM

In addition to the reviews quoted above, the JuneJuly 1998 issue [Vol. 105, No. 6] of the American Mathematical Monthly contains a seven page review by Prof. Frank Farris. 
Much of the work grew out of a study of Newton's Principia, and Subrahmanyan Chandrasekhar was able to use some of the ideas and illustrations in his Newton's Principia for the Common Reader.
Tristan Needham is a Professor of Mathematics at the University of San Francisco. For part of the work in this book the Mathematical Association of America presented him with the Carl B. Allendoerfer Award.
In October 1997 Visual Complex Analysis received First Prize in the National Jesuit Book Award Contest for Mathematics/Computer Science books published in 1994, 1995, 1996.
Preface  Mathematics 
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Contents  Preface 
Translations: German (2001), Japanese (2002), Chinese (2009) 
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30th June, 2011