The theory that Jack the Ripper was a surgeon or vet has no real basis. It has long been thought that since the Ripper removed organs that he must have had knowledge of human anatomy. One has only to look at photos or drawings of the victim's wounds to know that this killer deserved the name of "ripper". He literally ripped into his victims, cutting, stabbing and slashing in a near frenzy that lacked all evidence of precision. It would not have been difficult for the killer to have laid hands on a book of anatomy which could have given him a general idea of the locations of internal organs.
That theory does not appear in the records. Remember that many evidence and records have been lost.
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No, He might have been, before he was a political leader, but while he was a political leader, he was not a surgeon.
That is unknown because it is not known for sure who Jack the Ripper was. The question of his profile is still asked today.
A "theory" is a scenario of what might be.
Well its might depend on what you are studying first of all and what Field of work you want to be in OR The type of surgeon (:
Fish, seals, Jack the Ripper, seahorses. There might be more...
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The notion that Jack the Ripper might not in fact be a man at all, but rather a woman, was one postulated by Inspector Abberline himself at the time of the killings.
Jack the Ripper: The Final Solution is a book written by Stephen Knight first published in 1976. It proposed a solution to five murders in Victorian London that were blamed on an unidentified serial killer known as "Jack the Ripper". It proven to it was well made hoax. I read it when it came out. Book or not, I think that the ripper was a poor man. Anyone that has worked in a butcher shop, knows how to cut organs apart.
Check with your local butcher; they might sell blood for use in cooking.
There are many places one might go when seeking employment as a surgeon. In addition to a local employment agency, one might also find success on the Monster website.