Earliest

Albert Ein­stein devel­oped his the­o­ry of spe­cial rel­a­tiv­i­ty in 1905, after which males­tal­ly mapped out his the­o­ry of gen­er­al rel­a­tiv­i­ty between 1907 and 1915. For years to come back, the remainder of the world would attempt to meet up with Ein­stein, attempt­ing to beneath­stand the gist, not to mention the complete impli­ca­tions, of his floor­break­ing…