They were just produced in a small window from 1915 to 1935 when the first sound movies came in. They were strictly for silent movies. This was this one's first and only home. It never has been anywhere but the Strand.
One of them lost his wife and lost contact with his two children. They gave up on him. . . . The other young man has a health-challenged child and was unable to help his wife care for that child during that five years. They became estranged. It took a while to get back together.
The search took him years working on his old Apple Macintosh computer to find everyone. It became his hobby.