Waclaw Jan Kroczek

Waclaw Jan Kroczek [Polish: Wacław Jan Kroczek] (born June 17, 1991) Polish physician, social activist and scientist; known for his research on longevity. Administrator of the Gerontology Research Group.

Biography
Graduate of the Stanisław Staszic High School in Tarnowskie Góry]]. He previously graduated from SP No. 9 Nicolaus Copernicus in Tarnowskie Góry and the Junior High School of the Social Educational Society in Bytom. In 2015, he graduated from the Silesian Medical University - Medical Faculty with the Medical and Dentistry Department in Zabrze. In 2013, he became the Polish correspondent of Gerontology Research Group (www.grg.org) an international non-profit scientific organization dealing with biogerontology and human longevity. The primary goal of this institution is research into gerontology to delay the aging process of organisms. It also deals with age authentication of the oldest people in the world, including supercentenarians. Between the years 2015-2018 he was the administrative assistant, and in 2018 he became one of the administrators of this scientific institution. His interests include the population of semi-super-centenarians in Poland (over 105 years), aspects of senior care, social policy and the socioeconomic situation of older people.

Participant of many domestic and foreign scientific conferences. In 2016, he won the first prize in a public health session held at Gdańsk 24th International Student Scientific Conference, for his work "The emergence of supercentenarians in Poland and the study of human longevity". In 2015-2017, a participant in conferences organized by the Max Planck Institute for Demographic Research in Copenhagen (Denmark), Tallinn (Estonia) and Rostock (Germany). He proved the existence of the population of supercentenarians (people over 110 years of age) in modern Polish history. By 2019, he described 17 such cases, and all these people were women. He visited and interviewed seven of them, including Aleksandra Dranka of Harklowa (1903-2014), Jadwiga Szubartowicz (1905-2017) of Lublin and Tekla Juniewicz (born in 1906) of Gliwice. In cooperation with the closest family and through the Consulate General of the Republic of Poland in Lwów, he reached the original birth record of Tekla Juniewicz, proving her status as the oldest Polish woman in modern history and the first who crossed the barrier of 112 and 113 years in Polish history. In 2014-2015, he traveled to Verbania in Italy, where he met and interviewed several times the oldest living European at the time and the last person born in the world born before 1900, Emma Morano (1899-2017).