This document discusses different sources of innovation. It begins by explaining that innovation can come from individuals, universities, government labs, non-profits, and firms. Firms are well-suited for innovation due to greater resources. The document then examines creativity and how different parts of the innovation system transform ideas into outcomes. Individual and organizational creativity are discussed. Research and development by firms, universities, government, and non-profits are also sources of innovation. Technology clusters and spillovers that spread knowledge across organizations are reviewed as ways collaboration drives innovation.