Harvey received a Ph.D. in zoology from Harvard in 1933 and they collaborated on six papers before John died in Sanford, Maine on August 2, 1939.
[10] Another example of the observations and testing Lovell accomplished is discussed in his article "Conspicuous flowers rarely visited by insects.
Colors and odors attract the attention of insects, however, the absence of either will not necessarily cause a flower to be neglected if it contains an ample supply of pollen and nectar.
Insects, especially bees, occasionally examine the neglected, conspicuous flowers of cultivation, but if there is no food material, they do not repeat their visits.
His two books are The Flower and the Bee: Plant Life and Pollination (1918) and Honey Plants of North America: (North of Mexico) A Guide to the Best Locations for Beekeeping in the United States (1926) Lovell was a member of the Knox Academy of Arts and Sciences in Thomaston, Maine, and many other organizations.