Something being ahead of its time is ahead compared to its contemporaries. 100 years later its contemporaries are still the same because being contemporary of something means “being of the same period”, therefore no matter how much time passes, it will still be ahead of its time.
Something being ahead of its time is ahead compared to its contemporaries. 100 years later its contemporaries are still the same because being contemporary of something means “being of the same period”, therefore no matter how much time passes, it will still be ahead of its time.