My mistake of silence:
Pamela L. Gay is an astronomer and science educator. You might know her from Astronomy cast or Cosmoquest.org. She is also a well known skeptic.
In 2008 Pamela L. Gay, also know as StarStryder, was harassed at a science fiction convention. She opted to remain silent, but even that decision has resulted at threats being made at her address by both the harasser as a person who helped her.
Read her heartbreaking story here.