About Michael Podklebnik
On 14 January 194 Michael Podklebnik from Bugaj was a member of the grave diggers at Chelmno.
He was witnessed by Yakov Grojanowski, a young Jew from the village of Izbica Kujawska. He escaped from Chelmno and made his way to Warsaw, telling a devastated Ringelbaum, who urged hin to record every detail of his fourteen days at the death camp.
The Holocaust - Martin Gilbert, page 252