lived a real life. >> reporter: what started as a pandemic project developed into a mission for david gutenmachereating the museum of lost memories. >> the bride's name is lulu, groom's name is frankie, they were married on june 5th, 1965. old footage of someone opening a christmas gift. >> an online collection of photos, slides and reels of film david hopes to return to their rightful owners, or at least to tho in the pictures. >> i've been able to return thousands of things to dozens and dozens of families. >> what's the reaction you get when you connect someone with their lost memories? >> yeah, i think they're -- sometimes there's a little bit of skepticism, people don't understand how this got out there or how it got back to them, but everyone's been shocked and grateful in a good way. >> reporter: he finds the images at various thrift stores and flea markets, the albums and boxes of film sold off in estate sales. >> stories of people donating things by accident. cameras will have film still inside or sd cards. >> with the magic of social media and more than 600,000 followers, david has a bu