Hard to say without knowing which version of Algol he is referring to. Algol 68 was very different from Algol 58.
Algol 60 was the first language with lexical scope, while Algol 68 was a kitchen-sink language that (positively) influenced Python and (negatively) influenced Pascal.
Algol 60 was the first language with lexical scope, while Algol 68 was a kitchen-sink language that (positively) influenced Python and (negatively) influenced Pascal.