John Ray was an English Christian naturalist and one of the earliest English parson-naturalists. Until 1670 he wrote his name as John Wray; from then on, he used 'Ray', after "having ascertained that
Sculpture of Ray by Louis-François Roubiliac, housed at the British Museum
William Derham FRS was an English clergyman, natural theologian, natural philosopher and scientist. He produced the earliest reasonably accurate measurement of the speed of sound.
Title page of 1723 edition of Derham's Physico-Theology