Barbara Waugh, one of HP's historic HR directors (she was at HP Labs for years), was a strong advocate 20+ years ago for rights for "domestic partners". Her Facebook page yesterday saluted Tim Cook for his public stance and his rational. See https://www.facebook.com/barbara.waugh.35/posts/10203143391888465
Barbara, you may know, wrote a spirited, insightful book about the 'soft side' of HP some years ago; Joel Birnbaum penned a thoughtful foreword for the book, and I've used it in classes on occasion.
She has devoted much of her life to troubled youth, under-represented groups, and those held in disregard, contempt, or simply disadvantaged. If you ever get a chance to hear her speak, grab it!
She maintains a blog, thingsracial.org which cites a powerful biography of accomplishments
Her book, available at Amazon, is