Konrad Pr%C3%B3szy%C5%84ski
Konrad Prszyski , pen name Kazimierz Promyk , was a Polish writer, editor, author of primers , editorinchief of Gazeta witeczna the founder of secret Society for National Education under foreign Partitions, and the author of well received Pictorial Literacy primer. He was father of a Polish inventor Kazimierz Prszyski.
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Source: Wikipedia