Q: [...]
a great change in conditions, ways of working, beliefs, etc. that affects large numbers of peopleA: Revolution, noun, revˈluːʃn.
Ex: Piotr Wozniak's contributions in the fields of memory, spaced repetition, and the domain of knowledge accumulation sparked a revolution within the realm of learning.
Piotr Wozniak is the inventor of the first Spaced Repetition algorithm[1] and creator of SuperMemo.