Last year, it was Sister Mary Scullion, Philadelphia's tireless advocate for the homeless. Who should be The Inquirer's 2012 Citizen of the Year? Nominate someone who helped the city, state, or nation in an effective, creative way.

E-mail a brief description of his or her achievements to kboyer@phillynews.com, with "Citizen" in the subject line. Or mail it to Citizen of the Year, The Inquirer, 801 Market St., Suite 300, Philadelphia 19107. The deadline is Dec. 7.EndText