That damned glass ceiling is so pervasive it's keeping women down even in fields that don't exist yet. How pissed would Greg be if a woman went back in time and broke his "no disrupting the timeline" rule by becoming the first person to fly an airplane or walk on the moon? Though maybe not that pissed, since Greg seems to only have one hard-and-fast rule to avoid changing history – stay the hell away from Hitler.

If only these people could travel back in time and introduce themselves >>

[ Via Reddit]