Steve Wozniak, often known by his nickname "Woz," is an American inventor, electronics engineer, programmer, philanthropist, and technology entrepreneur. Born on August 11, 1950, he co-founded Apple Inc. with Steve Jobs and Ronald Wayne in 1976. Wozniak is best known for his work in designing the Apple I and Apple II computers in the late 1970s, which were among the earliest mass-produced personal computers and played a pivotal role in the personal computer revolution. Aside from his technical accomplishments, Wozniak is known for his quirky and down-to-earth personality. After leaving Apple as an active employee, he has been involved in various business and philanthropic ventures, focusing on computer capabilities in education and stressing the importance of hands-on learning and creativity for students. He has also authored a book called "iWoz: Computer Geek to Cult Icon," which is an autobiography detailing his life and contributions to the computer industry.