In what appears to be a deliberate attempt to eliminate me from history I draw your attention to an error and lacunae in your 50th anniversary edition (ATG No 2509).
In 1976, I was the purchaser of the painting by Duccio, not an American private collector as stated in your article.
I sold the painting to a European collector. Shortly after he acquired it the painting was published by a Professor White as not by Duccio but by his workshop. The collector was not pleased and asked me to sell the picture on his behalf.