Polish Society of Nephrology to represent nephrologists’ community i.e. to develop and promote up-to-date clinical practice in the fields of nephrology, dialysis therapy and kidney transplantation as well as to take part in health care organization in the area of Society’s competence. PSN promotes kidney health by organizing educational meetings and cooperating with patient organizations. The aim of PSN is also to promote continuous professional development, research activities and international cooperation among its members. Young Nephrologists’ Club (YNC) of the PSN was established in 2014. The aim of the YNC is to cooperate with the Young Nephrologists’ Platform of the ERA-EDTA and to promote
Johnson Organs six ranks. Continuing with church organ construction, Johnson built organs of increasing size. His first two-manual organ was Opus 13, 1849, at the Congregational Church in Westfield, Massachusetts. This organ contained about 15 ranks. Further expanding his territory and size, Opus 40, a 34-stop three-manual organ, was built in 1855 for the Park Presbyterian Church in Troy, New York. Another 1855 organ is believed to be the oldest Johnson organ which still exists in its original form. It is Johnson's Opus 43, built at the First Ward Presbyterian Church (later the Westminster Presbyterian Church) in Syracuse, New York. In 1871,