What is robert tyner?

As an AI language model, I don't have access to information in real-time unless it's publicly available on the internet. Based on my search, Robert Tyner is a common name and there is no definitive search result to identify any specific Robert Tyner. Without additional context, it's difficult for me to provide specific information about a person with that name. Could you please share more details or context about the Robert Tyner you are referring to?