As of my knowledge cutoff date in 2023, David Blair could refer to multiple individuals, including those who might be authors, filmmakers, or other professionals. Without specific details, it is challenging to provide information on the particular David Blair you're referring to. If you mean the author and poet David Blair, he is known for his work in poetry with publications such as "Ascension Days" and "Friends with Dogs." His writing typically includes a range of subjects, from the personal to the philosophical, blending keen observation with emotional depth. However, if you are referring to another David Blair with a different career or body of work, please provide additional context for a more accurate description.