In this book, a breakdown of the life and work of some of history's pioneers in the study of physics are thoroughly explored. Notable physicists include Albert Einstein, Stephen Hawking, Isaac Newton, and Galileo Galilei. Their contribution to science and human kind is insurmountable. This book provides excellent biographical sketches for trailblazers in physics. Specific articles are devoted to the above mentioned scientists, among others, covering the contributions to their field, specifically addressing how their research, discoveries, and inventions impacted human understanding and experience.