John Makely / msnbc.com
William Johnsen, 62, of Staten Island, New York, a Vietnam veteran and a lifelong activist, at the Occupy Wall Street protest in Zucottii Park.
Noah Addis / Noah Addis for msnbc.com
Left to right: Gary Laison, his wife Diane Laison and Joan Kosloff, all of Philadelphia, take part in the Occupy Philadelphia protest outside of City Hall in Philadelphia on Wednesday, 10/12/2011. Amid the mix of students, laid-off middle class and blue collar workers, Vietnam-era protesters are also taking part in the "occupy" protests that are spreading across the country.