An update: California’s Proposition 8 has also been struck down.

Above: Edith Windsor, whose attorney, Roberta Kaplan, we profiled earlier this year.

Kaplan never imagined the issue would reach the nation’s top court so soon and with such momentum for change behind it. “I would have said it was impossible,” Kaplan told me. “It’s a momentous occasion. There would be something wrong with me if I didn’t feel that way.”