what is he the above mentioned person?
German philosopher and one of the central Enlightenment thinkers
Immanuel Kant
Immanuel Kant (, ; ; 22 April 1724 – 12 February 1804) was a German philosopher and one of the central Enlightenment thinkers. 
who propounded the nebular hypothesis for the origin of the earth Immanuel Kant what knowledge does this hypothesis provide? It explain the formation and evolution of the Solar System as well as other planetary systems
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Immanuel Kant [SEP] Introduction
Kant believed that reason is also the source of morality, and that aesthetics arise from a faculty of disinterested judgment. Kant's views continue to have a major influence on contemporary philosophy, especially the fields of epistemology, ethics, political theory, and post-modern aesthetics. He attempted to explain the relationship between reason and human experience and to move beyond what he believed to be the failures of traditional philosophy and metaphysics. He wanted to put an end to what he saw as an era of futile and speculative theories of human experience, while resisting the skepticism of thinkers such as Hume. He regarded himself as showing the way past the impasse between rationalists and empiricists, and is widely held to have synthesized both traditions in his thought.