Breeding and Testing Fire Blight-Resistant Pears at the University of Tennessee

I was under the impression Ayers was a super old pear from Kansas from 1880 and was a chance seedling. That is what Stark Bros claims and you claim in the fallowing post Ayers Pear Tree - Stark Bro’s.
Anyone growing the Ayer pear from Kansas? Its not the same pear as Ayers