World and personality. The eternal dilemma: can one personality influence an entire world? Or will history simply slide back to its natural state? If we send our modern-day person—with samples of the newest weapons, machines, and technologies—to the year 1904, will that change the outcome of the Russo-Japanese War—and then the entire revolutionary situation in Russia? Or will time, like a snow avalanche, bypass this obstacle and roll on along its own path? And what if, at the moment of the transfer, something goes wrong and the traveler ends up in a completely different time and place. And around him, instead of brave sailors, there are Native Americans…