Piotr Dzieduszyński – born in 1972, PhD in psychology, and an enthusiast of cacti and other succulents in his personal life. He has over 30 years of experience in growing living stones. His collection of mesembs is one of the largest in Poland. He is a long-term member of the Polish Cactus Society and the Mesemb Study Group. He is an organizer of numerous individual exhibitions of African succulents and a popularizer of knowledge about those plants.
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