The Last Evolution

"I am the last of my type existing today in all the Solar System. I, too, am the last existing who, in memory, sees the struggle for this System, and in memory I am still close to the Center of Rulers, for mine was the ruling type then. But I will pass soon, and with me will pass the last of my kind, a poor inefficient type, but yet the creators of those who are now, and will be, long after I pass forever..." A classic tale of pulp super-science by the man who would shape the Golden Age of SF from the editor's chair at ASTOUNDING SCIENCE FICTION!