Is it proven that technical analysis of stocks is a fraud? Are there any scientists or mathematicians who have advocated technical analysis

In the stock market, there are lots of famous traders who use technical analysis some are:

Carl Icahn
Wu-Tang
Sven Henrich
Sam Ro
Erik Fossing Nielsen
Sam Madani
Join Ivan
These are some famous traders who use technical analysis. However, If you want to learn technical and fundamental analysis you can join any institute like NIFM, NSE India, ICFM, Share market Shiksha.

(Source: https://www.quora.com/Is-it-proven-that-technical-analysis-of-stocks-is-a-fraud-Are-there-any-scientists-or-mathematicians-who-have-advocated-technical-analysis)