[Professor Jan Witold Moll (1912-1990): a creator of Poznań thoracosurgery, a pioneer of cardiosurgery in Poland, on the 10th anniversary of his death].
The theme of his work concerns studies on the professional career of Professor Moll and on his pioneering achievement in the fields of thoracosurgery and cardiosurgery. He worked in the Surgical Ward of the Joseph Struś Town Hospital 8/12 Szkolna St. in Poznań. During the period 1945-1958 he performed, in addition to other operations, 804 resections of lung tissue. He was also the author of the first Polish edition of "The techniques of lung tissue resection" (1957). His experience in this field lead him to cardiosurgery and on the 1st of June 1958 he took up the position of Head of the II Clinic of the Medical Academy in Lódź. In 1975 he became Head of the Cardiosurgery Clinic and it was there that he carried out the first heart transplantation in Poland, on the 4th of January 1969, 13 months after Christian Barnard.