Vsevolod Emilevich Meyerhold was a Russian director and theatre practitioner, who's work was based on the intricate actor movement.
Here's is a document that I found online that sums up Meyerhold's history, and why he created Biomechanics. My personal notes on the movements that are now iconic, will come later.
**Reminder that this document is NOT MINE. Here is the source that I used,
https://is.muni.cz/el/1421/jaro2008/DVT058/Mejerchold.doc