The treatise is the first coherent and comprehensive presentation of the important sub-field of "technology entrepreneurship" emphasizing the science and engineering perspectives. It is a presentation of technology entrepreneurship as an inter-cultural approach referring to the US and Germany. It integrates micro- and macro aspects referring to numerous cases of firms' foundations. The book provides also a new semi-quantitative approach to growth of new technology ventures.This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.