Very nice tribute you have planned.
I have met one of the those who planned the escape, we had Barry Davidson (the scrounger) speak at several of our mess dinners when I was in the RCAF. He was an amazing man and had fascinating stories. He bribed German soldiers to provide items like a camera for forgeries, train schedules, ink, pen nibs, timber, and travel permits crucial to the escapers. He didn’t make it through a tunnel that night, which likely saved his life. He was played by James Garner in the movie. I am certain he would have known Romuldas.
Barry passed away in 1992 at the age of 82.