Who experimentally proved the formation of complex compounds in the laboratory for origin of life by heating a mixture of dry amino acids ?

Arrange the following substances in a proper sequence with regard to the formation of chemical constituents at the time of origin of life: Sugar, methane, nucleic acid and amino acid.

Name the scientist who conducted experiments to prove abiotic origin of life?

Name the two scientists who set up a special experiment to prove Oparin's theory of origin of life.