Parents of Jet Star and Supersonic?
 

Are the parents of Jet Star and/or Supersonic known? They may not, but since these are such old hybrids, it might have been revealed at some point. Just curious.
-GG

Not the parents, but a bit of history ...... fascinating website for browsing

[URL="http://cucurbitbreeding.com/todd-wehner/publications/vegetable-cultivar-descriptions-for-north-america/tomato-s-z/"]http://cucurbitbreeding.com/todd-wehner/publications/vegetable-cultivar-descriptions-for-north-america/tomato-s-z/[/URL]

Jet Star (LW 27) – Breeder and vendor: Joseph Harris Co. Characteristics: F1 hybrid, indeterminate vine, second early, heavy yield of firm large, normal ripening fruit; fresh-market type. Resistance: verticillium and fusarium wilts; tolerant of cracking. Similar: Moreton Hybrid. Adaptation: northern United States. Joseph Harris Co. Catalog 1969.

Supersonic (931L) – Breeder and vendor: Joseph Harris Co. Characteristics: F1 hybrid, main season, indeterminate, heavy yield of large, firm, normal ripening fruit; fresh market. Resistance: verticillium and fusarium wilt; tolerant to cracking. Similar: Big Boy. Adaptation: northern United States. Joseph Harris Co. Catalog 1968.