"It is a capital mistake to theorise before you have all the evidence. It biases the judgment." Sir Arthur Conan Doyle, Study in Scarlet
Now he’s developed it to high art.
And he"s a researcher (and writer) for hire. Whether it's a social history book, pub history or a military campaign, he may be right for you.
But he doesn't undertake basic family history research: "There are better people than me. Cheaper, too," he says. If this is what you are looking for he can suggest a couple of researchers.
Get in touch to discuss your needs.