Step 1: Conceptual Grasp:
The query necessitates the identification of the originator of the renowned philosophical assertion, "Man is born free but everywhere he is in chains." This utterance serves as a foundational element in political philosophy.
Step 2: In-depth Analysis:
This distinguished statement constitutes the inaugural sentence of Jean-Jacques Rousseau's seminal 1762 publication, The Social Contract.
Rousseau posits that individuals in their primordial condition are unencumbered.
Conversely, the evolution of contemporary civilization, with its intricate societal frameworks, legal statutes, and governing bodies, has imposed "chains," or limitations, upon this innate freedom.
He investigates the mechanisms by which a justifiable political dominion can be established through a social accord that upholds both liberty and equity.
The alternative individuals cited are distinguished figures in pedagogy and psychology, but they are not credited with this specific aphorism.
Step 3: Conclusive Resolution:
The aphorism is unequivocally ascribed to Jean Jacques Rousseau.