Which French chemist was one of the first scientists to synthesize organic compounds such as formic acid, methane, and acetylene directly from their elements?

Consider the following statements regarding the history of chemistry: A. Joseph Priestley's 'dephlogisticated air' was later identified as oxygen, even though his theoretical framework for it was incorrect. B. The phlogiston concept was discarded because experimental evidence showed it accurately described the mechanisms of combustion. C. Antoine Lavoisier's quantitative work demonstrated that combustion involves the combination of a substance with a component of air. Which of the statements given above are correct?

Jeremias Benjamin Richter introduced stoichiometry in which year?