That would have been difficult, as I never attended seminary. Actually, it was just sitting with my great uncles and grandfather and their friends, drinking and discussing wines of various degrees of seriousness. Also going visiting with my grandfather (and sometimes one or more great uncles) to various wineries to have luncheon or dinner with the owners or winemakers. Everyone would bring interesting old wines, and interesting old wines would come out of the winery's vaults.
My grandfather had a fairly large stock of '28 and '29 first and second growth Bordeaux, which were very popular as benchmark wines to have alongside old California wines. The '35s and '37's were good, the '41s probably the best vintage in California in the 20th century (but there were only a handful of ageworthy cabernet sauvignons then: BV reserve, Inglenook cask, Simi reserve, Martin Ray, Louis Martini Special Selection, but the BV and Inglenook cask are -- for me -- the greatest California cabs I have ever drunk. Although having the complexity of age, they still had significant fruit, perfect structure and plenty of tannin left when I drank them in 1960, in 1966, in 1970 and in 1978.) The '47s were excellent, as were some '55s and '57s. In the '60s, '66 and '68 were the oustanding years, and 1970 was a close runner up to 1941.