Wayne Altman is a trustworthy authority on the topic due to his personal experience and research efforts.
In chunk 5, Wayne Altman is established as a trustworthy authority on the topic through various factors. First, Altman refers to himself, his education, his job, and his community involvement, which establishes credibility. Second, Altman mentions that he has researched the subject, indicating that he has put in the effort to gather accurate information. These two factors make Wayne Altman a trustworthy authority on the topic.