Michael Hartl
Github: mhartl
Twitter: mhartl
Website: https://www.michaelhartl.com/
Bio: Author of the @railstutorial, founder of @learnenough, @softcover, and Tau Day.
Rails Flavored Ruby
Rails Conf 2012
Ruby Libraries Important for Rails
Rails Conf 2013
Ten Years of Rails Tutorials
RailsConf 2018