With respect, the Futurists such as Marvin Centron, and the late Herman Kahn did a so-so job in their forecasts. The best info I have ever read comes from the late, Princeton Physicist, Gerard O'neil (remember O'neil cylanders?) who stated "Remember, scientists tend to over-estimate the impact breakthroughs, and tend to underestimate the impact of straight foward, advances in a field".
> Those people in the past we know of that did get