I have a question on the authors of some codes

[sl100104]

Hi,

I am a PhD students and am collecting new generation of technical indicator codes now. However, I have difficulty in finding who are the authors (first inventor) for some following indicators.

• Quadruple EMA (QEMA)
• Pentuple EMA(PEMA)
• Stochastic KDJ

1. My only finding so far is BrunoPio who firstly introduced the code on PEMA and QEMA in MQL5 but I am not sure he is the author of the incicator or developer of the code.  
2. I found many websites introduce stochastic KDJ was introduced the Dr.Geroge Lane in 1950s but the one is the "stochastic" indicator or "stochastic KD lines" but not KDJ.

 Regarding question on #1,2 above, can someone tell me who is the author and where is the reference (book, journal or links)

Many thanks and cheers,

Jase