Four Sisters, 40 Photos: Capturing 40 Years of Priceless Memories
1975

"In 1975, Nicholas Nixon started the Brown sisters' annual photo project, with his creative idea and the sisters' eager participation.
With a simple but meaningful concept, Nixon captured moments in time that would later become precious memories. The very first photo shows the four Brown sisters—Heather, Mimi, Bebe, and Laurie."