Rethinking the Dream of Human Spaceflight

I still remember the excitement and fear of April 12, 1961, the day Yuri Gagarin became the first human to travel into space. I was seven years old: too young to fully appreciate the thrill many people felt that the mysterious universe beyond Earth had suddenly been conquered and that the adventures of the swashbuckling Flash Gordon were now one step closer to reality

Excerpt from:
Rethinking the Dream of Human Spaceflight