Galcador wins 1950 Derby Stakes in upset at Epsom Downs

The transcript describes a horse race where Prince Simon, initially leading, loses the Derby by a head to Gawker Door, ridden by Ray Johnston. The narrative highlights the unexpected turn of events and concludes with a mention of authorship by Ray Johnston and a reference to Gal Gadot in Richmond.

What was the reaction of the backers when they thought they had the race won?

Who is mentioned as having written about the race?