Kroonenberg participated in the Dutch Resistance . Kroonenberg served in the Canadian Army from 1944 to 1947.[citation needed]
Kroonenberg was a DutchScoutmaster and Scouting historian. Kroonenberg had been active in Scouting since 1935 and attended the 5th World Scout Jamboree in Vogelenzang, Bloemendaal, the Netherlands, in 1937. Kroonenberg was awarded the Bronze Wolf by the World Scout Committee for exceptional services to world Scouting, in 1996, for his outstanding contributions to International Scouting. Kroonenberg was also awarded the highest Russian Union of Scouts (RUS) distinction, the Order of the Bronze Beaver.[1]
His books The Forgotten Movements and The Undaunted, as well as numerous articles, chronicle the history of Scouting in Europe, particularly that of Scout organizations in exile.
Kroonenberg, Piet J. (1998). The Undaunted – The Survival and Revival of Scouting in Central and Eastern Europe. Geneva: World Organization of the Scout Movement. p. 420 pages.
Kroonenberg, Piet J. (2003). The Undaunted II – The Survival and Revival of Scouting in Eastern Europe and Southeast Asia. Geneva: World Organization of the Scout Movement. p. 94 pages.
Articles
Kroonenberg, Piet J. (1994). From a Toad to a World Emblem – The toad, the arrowhead and the Fleur-de-Lys.
Kroonenberg, Piet J. (December 2005). Frits Philips 26/04/1905-05/12/2005 – Frits and Scouting (in Dutch) (Obituary on Frits Philips ed.).
Kroonenberg, Piet J. (January 2006). Sint Joris – Uit het Scouting beeld verdwenen? (in Dutch).
Kroonenberg, Piet J. (2006). Koninklijke Scouts (in Dutch) (in five parts: Netherlands, Great Britain, Belgium ed.).
Kroonenberg, Piet J. (April 2006). Uit het logboek van Ton Gräber; een zomer zwerftocht in 1945 (in Dutch).
