Columbia Encyclopedia

(Encyclopedia) Bond, George Phillips, 1825–65, American astronomer, b. near Boston, grad. Harvard, 1845. He became the assistant of his father, William Cranch Bond, and in 1859 succeeded him as director of the Har...

(Encyclopedia) Bond, Sir Robert, 1857–1927, Newfoundland political leader. He was educated in England and later entered Newfoundland politics. In 1890, he negotiated a reciprocity agreement between Newfoundland an...

(Encyclopedia) Stockdale, James Bond, 1923–2005, U.S. naval officer, b. Abingdon, Ill.; grad. U.S. Naval Academy, 1947. A fighter pilot and highly decorated career naval officer (1946–79), he was the highest ran...

(Encyclopedia) Head, Sir Francis Bond, 1793–1875, British administrator in Canada. A soldier (1811–25) and unsuccessful mining adventurer in South America, he had had little experience to prepare him for the pos...

(Encyclopedia) free radical, in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable. They are pro...

(Encyclopedia)  CE5 Alkenes alkene ălˈkēn [key], any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon double bonds (see chemical bond). Alkenes with only one double bond h...

(Encyclopedia)  CE5 Alkynes alkyne ălˈkīn [key], any of a group of aliphatic hydrocarbons whose molecules contain one or more carbon-carbon triple bonds (see chemical bond). Alkynes with one triple bond have t...

(Encyclopedia) Amis, Sir Kingsley āˈmĭs [key], 1922–95, English novelist. He attended St. John's College, Oxford (B.A., 1949) and for some 20 years taught at Oxford, Swansea, and Cambridge and in the United Sta...

(Encyclopedia) organometallic chemistry, the reactions and use of a class of compounds (R-M) that contain a covalent bond between carbon and metal. They are prepared either by direct reaction of the metal with an or...

(Encyclopedia) Ryder, Donald P., , 1926-2021, African-American architect, b. Springfield, Oh., Univ. of Illinois (BA, 1951). Ryder was raised in Dayton, Ohio. He serve...