On May 11, the Sewickley Herald will honor Junior Mendelssohn Choir of Pittsburgh (JMCP) singer Katherine M. Rostek as its Emerging Citizen during the newspaper's 42nd annual Sewickley Herald Man, Woman & Citizen of the Year event, celebrating people and organizations whose commitment exemplifies community spirit. Katherine has been a member of the JMCP for the past two seasons, and was the recipient of the 2017 Barbara Cass...
