Selected answers from the Dumb SEO Questions Facebook & G+ community.
Vahan Petrosyan: https://search.google.com/structured-data/testing-tool... I think specifying multiple authors in markup should work fine.
Loren Baker: Thanks Vahan, this is an option but I`m thinking about Contributor for Expert Opinion, like if I had a post about web hosting with a quote (maybe 50 words out of the 700 word article piece) from the esteemed Dr. Vahan Petrosyan ... and wanted to include you in the schema.
Brenda Michelin: Start with Schema.org and just implement as many of the properties as you can. Contributor is one of them. Then, just keep testing your output until it is error-free. https://schema.org/NewsArticle
https://schema.org/contributor
Brenda Michelin: Some of the properties of contributor are: Name Url…See More
Brenda Michelin: Here is a sample of just the contributor schema:
…See More
Loren Baker: Thank you Brenda Michelin, that was quite helpful.
Steve Toth: You could try searching this https://publicwww.com/
Jesse McDonald: You should definitely do this for podcast episode articles! It would also be cool if those showed up somehow on the author pages of the guests.
Loren Baker: Yeah, the dots need to be connected across the board on this :)