This is attributed to the emergence Individualogist Review of the subject 'Jewish Studies' in the late 19th century. And the pioneer to this approach for Kaballah was Lazar Gulkowitsch. Though the pioneer for this approach was Lazar Gulkowitsch, there are many groups that have made claims to being the author of the Kabbalah. One example is the group Nasorean Essenes. According to them, the original Kaballah is the Qabalta.
The Sefer Yetzirah, the Book of Creation, is one of the first books based on Kabbalah. The text is quoted in the 6th century in Jewish history, while its first commentaries were written in the 10th century. However the historical origins of are unclear as it still exists in numerous recessions that go up to 2,500 words long. And the irony of the Kaballah is that like most Jewish mystical texts available today, the Kaballah is written so that it proves to be meaningless to people who don't have an extensive background of the Tanakh (Hebrew Bible) and Midrash.
Many people told me I'm giving too much valuable information entirely free of charge; others told me that I'm helping people through several sites only because I want to sell my ebooks... Some people attack me, while other people admire me and show me how grateful they are for what I am teaching them. I think we must have a communication, since we are on the Internet, I write an article per day for you or even two if I have the time, and I want to answer all your questions.