About the Authors

Kelvin Lau is an author of this book. Kelvin is a physicist turned Swift iOS Developer. While he’s currently entrenched with iOS development, he often reminisces of his aspirations to be part of the efforts in space exploration. Outside of programming work, he’s an aspiring entrepreneur and musician. You can find him on Twitter: @kelvinlauKL

Vincent Ngo is an author of this book. A software developer by day at a growing startup, and an iOS/Flutter enthusiast by night, he believes that sharing knowledge is the best way to learn and grow as a techie. Vincent starts every morning with a Cà phê sữa đá (Vietnamese coffee) to fuel his day. He enjoys playing golf, meditating, and watching animated movies. You can find him on Twitter: @vincentngo2

About the Editors

Steven Van Impe is the technical editor of this book. Steven is a computer science author and lecturer at the University College of Ghent, Belgium. You can find Steven on Twitter as @pwsbooks.

Ray Fix is the final pass editor of this book. During the day, Ray works on next-generation microscopes made for iPad at Discover Echo Inc. in San Diego, California. He enjoys learning new things and is excited about math, data, visualization, machine learning and computer vision. Swift is his problem-solving language of choice and he has been using it and teaching others about it since its 2014 public release. Twitter: @rayfix.

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