There were two major reasons.
- My father was a scientist himself. From early childhood onward, I had the occasional opportunity to visit his laboratories.
- I had an excellent physics teacher in high school. He was very excited about physics, and he was able to transfer that excitement to us. Not only did he have a deep understanding of the fundamental issues of physics, but he also showed us thrilling experiments all the time.
Anton Zeilinger is coeditor of Quantum [Un]speakables: From Bell to Quantum Information (buy this book from Amazon (UK) or Amazon (USA)), and The Physics of Quantum Information: Quantum Cryptography, Quantum Teleportation, Quantum Computation (buy this book from Amazon (UK) or Amazon (USA)). See his website.