The nineteenth-century chemist Humphry Davy presented the results of his early experiments in his "Essay on Heat and Light," a critique of all chemistry since Robert Boyle as well as a vision of a new chemistry that Davy hoped to found.

• Aa critique of all chemistry since Robert Boyle as well as a vision of a  
• Ba critique of all chemistry following Robert Boyle and also his envisioning of a  
• Ca critique of all chemistry after Robert Boyle and envisioning as well  
• Dcritiquing all chemistry from Robert Boyle forward and also a vision of  
• Ecritiquing all the chemistry done since Robert Boyle as well as his own envisioning of