And the oldest at 112 would have easily remembered a number of Founders still alive in his lifetime.
You can find some amazing things on the Internet - when photography, motion pictures, and sound recording were developed, people immediately thought of preserving things for posterity, so there are suprising numbers of audio/visual records of times, people, and places you wouldn’t think that you would ever see or hear.
The real shocker is that an audio recording from the 1850’s, and it was made BEFORE there was any means to play it back!