It took my mind a long moment to put the past-tense verb "was" together with the year - a year that was still almost a century and a half in the future.

"I traveled back in time to see you. You are my great-grandfather, ten times removed."

The first question bubbled into my mind immediately.

"Why me?" I asked.

"My father is deathly ill and the doctors think that you can help," she stated.

"How?" I inquired.

"I'm supposed to return with your DNA samples. They claim that they can extract what they need from those."

"Blood?"

"Semen."

"Is that why you're dressed like my dead wife - your great-grandmother...