Date men and women from United States / California / Pacific Beach, 70 year old

Date someone special from United States. I live in Pacific Beach near the ocean and I really enjoy it. I enjoy walking in the surf every day, watching the sand pipers, the dolphins, pelicans, surfers and sun bathers. I also enjoy learning about everything, history, culture, life, and this weird universe we find ourselves living in. I like to read about all this (Brian Greene, etc), walk in natural settings and old towns (not malls!), visit old places, plus museums, aquariums, botanical gardens, zoos, etc. In between, I like to have coffee or dinner on the boardwalk, talk and watch the sun go down.
I am a scientist, but with an unusual background. I got a doctorate in physics from Stanford where I worked in astronomy and astrophysics, then changed fields to become a Marriage and Family Therapist. After 13 years, I returned to physics, and spent 20 years working as a physics professor in the school of medicine at the University of Washington. I hate cloudy days (of which Seattle has a surplus), so it was with a real sense of relief that I was able to retire from the university position and move to San Diego 5 years ago. Since then, I have worked part time as a math tutor. I love my students, who range from 8 year old children to middle aged adults returning to school.
I am looking for a woman who'd like to share some (not necessarily all!) of my interests and activities, have conversations about life, the universe and everything -- current topics and discoveries -- and who might, of course, have some of her own favorite interests and activities to suggest. I want a relationship with a person who has wide interests for both mind and body, who likes to have fun and enjoy life while still taking care of our planet, is able to ask for what she wants in a relationship (and willing to hear a 'no' sometimes), a person who enjoys life, learning and loving.
Please do email (not just wink) if you think you might want to explore further, perhaps meeting for coffee or a walk. Please don't if your age, political or religious views would clash with my stated preferences. (Along these lines, I consider myself a liberal/middle of the road kind of person, but it is really hard to know what "middle of the road" means when it is so wide these days.)

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