1798 George Shuckburgh Evelyn; Charles Hatchett. For his various Communications printed in the Philosophical Transactions. (Evelyn); For his Chemical Communications printed in the Philosophical Transactions. (Hatchett)
1797 Not awarded
1796 George Attwood. For his Paper on the construction and analysis of geometrical propositions determining the positions assumed by homogeneal bodies which float freely, and at rest; and also determining the Stability of Ships and other floating bodies.
1795 Jesse Ramsden. For his various inventions and improvements in the construction of the Instruments for the Trigonometrical measurements carried on by the late Major General Roy, and by Lieut. Col. Williams and his associates.
1794 Volta, of Pavia. For his several Communications explanatory of certain Experiments published by Professor Galvani.
1793 Not awarded
1792 Benjamin, Count of Rumford. For his various Papers on the Properties and Communication of Heat.
1791 James Rennell; John Andrew de Luc. For his Paper on the Rate of Travelling as performed by Camels, printed in the last (81st) volume of the Philosophical Transactions. (Rennell); For his Improvements in Hygrometry. (de Luc)
1790 Not awarded
1789 William Morgan. For his two Papers on the values of Reversions and Survivorships, printed in the two last volumes of the Philosophical Transactions.
1788 Charles Blagden. For his two Papers on Congelation, printed in the last (78th) volume of the Philosophical transactions.
1787 John Hunter. For his three Papers, - On the Ovaria, On the identity of the dog, wolf, and jackall species, and On the anatomy of Whales, printed in the Philosophical Transactions for 1787.
1786 Not awarded
1785 William Roy. For his Measurement of a Base on Hounslow Heath.
1784 Edward Waring. For his Mathematical Communications to the Society. For his Paper On the Summation of Series, whose general term is a determinate function of z the distance from the first term of the series.
1783 John Goodricke; Thomas Hutchins. For his discovery of the Period of the Variation of Light in the Star Algol. (Goodricke); For his Experiments to ascertain the point of Mercurial Congelation. (Hutchins)
1782 Richard Kirwan. As a reward for the merit of his labours in the science of Chemistry. For his chemical analyses of Salts.
1781 William Herschel. For the Communication of his Discovery of a new and singular Star; a discovery which does him particular honour, as, in all probability, this start has been for many years, perhaps ages, within the bounds of astronomic vision, and yet till now, eluded the most diligent researches of other observers.
1780 Samuel Vince. For his paper, entitled, An investigation of the Principles of Progressive and Rotatory Motion, printed in the Philosophical Transactions.
1779 Not awarded
1778 Charles Hutton. For his paper, entitled, The force of Fired Gunpowder, and the initial velocity of Cannon Balls, determined by Experiments.
1777 John Mudge. On account of his valuable Paper containing directions for making the best Composition for the metals of Reflecting Telescopes; together with a description of the process for grinding, polishing, and giving the best speculum the true parabolic form.
1776 James Cook. For his Paper, giving an account of the method he had taken to preserve the health of the crew of H.M. Ship the Resolution, during her late voyage round the world. Whose communication to the Society was of such importance to the public.
1775 Nevil Maskelyne. In consideration of his curious and laborious Observations on the Attraction of Mountains, made in Scotland, - on Schehallien.
1774 Not awarded
1773 John Walsh. For his Paper on the Torpedo
1772 Joseph Priestley. On account of the many curious and useful Experiments contained in his observations on different kinds of Air, read at the Society in March, 1772, and printed in the Philosophical Transactions.
1771 Matthew Raper. For his paper entitled, An Enquiry into the value of ancient Greek and Roman Money.
1770 William Hamilton. For his Paper, entitled, An Account of a Journey to Mount Etna.
1769 William Hewson. For his Two Papers, entitled, An Account of the Lymphatic System in Amphibious Animals, - and An Account of the Lymphatic System in Fish.
1768 Peter Woulfe. For his Experiments on the Distillation of Acids, Volatile Alkalies, and other substances.
1767 John Ellis. For his Papers of the year 1767, On the animal nature of the Genus of Zoophytes called Corallina, and the Actinia Sociata, or Clustered Animal Flower, lately found on the sea coasts of the new-ceded Islands.
1766 William Brownrigg; Edward Delaval; Henry Cavendish. For an experimental enquiry into the Mineral Elastic Spirit, or Air, contained in Spa-Water; as well as into the Mephitic qualities of this Spirit. (Brownrigg) For his Experiments and Observations on the agreement between the specific gravities of the several Metals, and their colours when united to glass, as well as those of their other preparations. (Delaval) For his Paper communicated this present year, containing his Experiments relating to Fixed Air. (Cavendish)
1765 Not awarded
1764 John Canton. For his very ingenious and elegent Experiments in the Air Pump and Condensing Engine, to prove the Compressibility of Water, and some other Fluids.
1763 Not awarded
1762 Not awarded
1761 Not awarded
1760 Benjamin Wilson. For his many curious Experiments in Electricity, communicated to the Society within the year.
1759 John Smeaton. On account of his curious Experiments concerning Water-wheels and Wind-mill Sails, communicated to the Society. For his experimental enquiry concerning the powers of water and wind in the moving of Mills
1758 John Dollond. On account of his curious Experiments and Discoveries concerning the different refrangibility of the Rays of Light, communicated to the Society.
1757 Charles Cavendish. On account of his very curious and useful invention of making Thermometers, showing respectively the greatest degrees of heat and cold which have happened at any time during the absence of the observer.
1756 Not awarded
1755 John Huxham. For his many useful Experiments on Antimony, of which an account had been read to the Society.
1754 William Lewis. For the many Experiments made by him on Platina, which tend to the discovery of the sophistication of gold: - which he would have entirely completed, but was obliged to put a stop to his further enquiries for want of materials.
1753 Benjamin Franklin. On account of his curious Experiments and Observations on Electricity.
1752 John Pringle. On account of his very curious and useful Experiments and Observations on Septic and Anti-septic Substances, communicated to the Society.
1751 John Canton. On account of his communicating to the Society, and exhibiting before them, his curious method of making Artificial Magnets without the use of Natural ones.
1750 George Edwards. On account of a very curious Book lately published by him, and intiyled, A Natural History of Birds, &c. - containing the Figures elegantly drawn, and illuminated in their proper colours, of 209 different Birds, and about 20 very rare Quadrupeds, Serpents, Fishes, and Insects.
1749 John Harrison. On account of those very curious Instruments, invented and made by him, for the exact mensuration of Time.
1748 James Bradley. On account of his very curious and wonderful discoveries in the apparent motion of the Fixed Stars, and the causes of such apparent motion.
1747 Gowin Knight. On account of several very curious Experiments exhibited by him, both with Natural and Artificial Magnets.
1746 Benjamin Robins. On account of his curious Experiments for showing the resistance of the Air, and his rules for establishing his doctrine thereon for the motion of Projectiles.
1745 William Watson. On account of the surprising discoveries in the phenomena of Electricity, exhibited in his late Experiments.
1744 Henry Baker. For his curious Experiments relating to the Crystallization or Configuration of the minute particles of Saline Bodies dissolved in a menstruum.
1743 Abraham Trembley For his Experiments on the Polypus.
1742 Christopher Middleton. For the communication of his Observations in the attempt of discovering a North-West passage to the East Indies through Hudsons Bay.
1741 John Theophilus Desaguliers. For his Experiments towards the discovery of the properties of Electricity. As an addition to his allowance (as Curator) for the present year.
1740 Alexander Stuart. For his Lectures on Muscular Motion. As a further addition for his services to the Society in the care and pains he has taken .therein
1739 Stephen Hales. For his Experiments towards the Discovery of Medicines for dissolving the Stone; and Preservatives for keeping Meat in long voyages at Sea
1738 James Valoue. For his invention of an Engine for driving the Piles to make a Foundation for the Bridge to be erected at Westminster, the Model whereof had been shown to the Society
1737 John Belchier. For his Experiment to show the property of a Diet of Madder Root in dyeing the Bones of living animals of a red colour.
1736 John Theophilus Desaguliers. For his experiments made during the year.
1734 John Theophilus Desaguliers. In consideration of his several Experiments performed before the Society
1732 Stephen Gray. For the Experiments he made for the year 1732.
1731 Stephen Gray. For his new Electrical Experiments: - as an encouragement to him for the readiness he has always shown in obliging the Society with his discoveries and improvements in this part of Natural Knowledge.