My grandfather, Dr Kornelis Sietsma was a Dutch Reformed Church minister in wartime Amsterdam. He preached in ways that offended the Nazi occupiers, and they deported him to the Dachau concentration camp, where he died. This was a fascinating family history to me growing up - I was named after my grandfather, and his heroic attitude and tragic death informed my view of the world. Now I have kids of my own, and I started thinking about how I could explain their great-grandfather to them. I kne...
