15 may 1968 & children

#OTD-ish 15 May 1968 A child sits at a registration and signs location, probably down at Resurrection City on the National Mall. Rev. Dr. Martin Luther King, Jr. was ever present during the Poor People's Campaign. 

Your comments are welcome below. Do you, a family member or a neighbor recognize this child? The child is wearing a wristband. Do you know why? Do you know who created and/or provided this image of King?  You may comment privately here.

Photo source:  Courtesy DC Public Library Special Collections. 17 May 1968. Bernie Boston, photographer.