Robert Chesebrough Robert Chesebrough Robert Augustus Chesebrough, (January 9, 1837 – September 8, 1933) was an American chemist. He discovered petroleum jelly which he marketed as Vaseline and he founded the Chesebrough Manufacturing Company. Born in London to American parents, he was raised in New York City. Chesebrough began his career as a chemist clarifying kerosene from the oil of sperm whales. The discovery of petroleum in Titusville, Pennsylvania, rendered his job obsolete, so he traveled to Titusville to research what new materials might be created from the new fuel. This led to his discovery of petroleum jelly, which he trade-named as
Spotted jelly the absorbed nutrients available to the zooxanthellae. Spotted jelly The spotted jelly ("Mastigias papua"), lagoon jelly, golden medusa, or Papuan jellyfish, is a species of jellyfish from the Indo-Pacific oceans. Like corals, sea anemones, and other sea jellies, it belongs to the phylum Cnidaria. "Mastigias papua" is one of the numerous marine animals living in symbiosis with zooxanthellae, a photosynthetic alga. They have a lifespan of approximately 4 months and are active primarily in mid-summer to early autumn. The spotted jelly is so named because of the little dots that garnish its jelly. It usually measures between in length and