CEOR

Gilles Roux posted the first CEOR method on May 23, 2003

Mariano Aquino proposed and developed a method very close to CEOR on June 20, 2011

Noah Arthurs proposed Noah's CP Block, an EOCP 2x2x2 method in April, 2012

Noah Arthurs proposed Noah's CP Block 2.0 in May, 2013.

Noah Arthurs updated Noah's CP Block 2.0 to be a form that matches what is now known as CEOR.

Joseph Briggs proposed the Briggs method on September 19, 2015.

It appears that the Briggs method was inspired by a proposal by Kole Hedrick.

Zbigniew Zborowski proposed C2GR in August, 2017.

In April, 2020 Yash Mehta proposed a method called YruRU.

In 2021, James Straughan proposed combining all methods into one, with a single name.

Joseph Tudor proposed the name CEOR, which was adopted.

Bonus: Lars Petrus discussed the idea of early CP on June 10, 1996.