/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: KeithShackelford https://cdn.slidesharecdn.com/profile-photo-KeithShackelford-48x48.jpg?cb=1523143386 Work for NASA and/or Stanford University since finishing graduate school in 1986. Live in San Francisco - one of the most beautiful places in the world for the last 10 years.