6257 Thorvaldsen [SEP] discoverer or inventor
The 6257 Thorvaldsen was discovered by whom? Who was the discoverer of 6257 Thorvaldsen? Who made the discovery of 6257 Thorvaldsen? By whom was 6257 Thorvaldsen discovered? What is the name of the person who discovered 6257 Thorvaldsen?
Cornelis Johannes van Houten
Ingrid van Houten-Groeneveld
Tom Gehrels