Ahamed, R. .; Hossan, M. M. . Existence Preceding Essence: An Atomic Shift of Modern Philosophy from Descartes’ Essentialist Rationalism to Sartre’s Existentialism. Hist. Cult. Innov. 2026, 3 (1), 7-12. https://doi.org/10.54536/hci.v3i1.7486.