Olaf Stapledon's Visionary Novel 'Last and First Man'

Artificial intelligence, gender identity, hive minds, exponential technological growth, natural resource availability, evolution, life extension, terraforming, genetic engineering—these things are very much the issues of our time. And yet in 1930 a little known author of speculative fiction, Olaf Stapledon, took on these issues. (Read my review of the book.)