I thought it was interesting that the notice about Roger's death was by Eric Iverson. The name struck me because Ken Iverson was the creator of APL and I wonder

I thought it was interesting that the notice about Roger's death was by Eric Iverson. The name struck me because Ken Iverson was the creator of APL and I wondered if they were related. Looking it up, they are. Eric is Ken's son -- so interest in APL has gone across generations.