John Howard Northrop (1891–1987)

John Howard Northrop

On Ju ly 5, 1981, John Howard Northrop will reach the venerable age of four score and ten. He is active and well for a man of his age but a bit unhappy that his diminished eyesight makes him no longer the skeet supermarksman he once was. The Editors of The Journal of General Physiology and some of Dr. Northrop's friends wish to use this occasion to express their grati tude for his 62-year-long ...

John Howard the Great Communicator : No , Really !

The rough and tumble of John Howard’s public school education left him with an electorally appealing ordinariness in a party renowned for a born to rule attitude. Howard was not brought up with the sense of noblesse oblige of an establishment figure such as Malcolm Fraser. His father owned a small petrol station and John Howard worked there on weekends while at school. Howard’s background may h...

Northrop Frye's Bible

Words With Power was published in 1990; it is the last of forty books of literary criticism written by its author, Northrop Frye, who died in January 1992 at the age of 78. A recent survey of 950 journals reveals that he remains the eighth most frequently cited author in the arts and humanities, among a company that includes Aristotle, Shakespeare, and Freud. A bibliography of his work and comm...

Tration for the Digestion of Proteins by Pepsin. by John H. Northrop

One of the most striking peculiarities of enzyme action is the fact that the activity of the enzyme is limited to a definite range of acidity. If the solution is more or less acid than this the enzyme is practically inactive. SSrensen 1 showed that for a number of enzymes the determiuing factor was the hydrogen ion concentration and not the total acidity of the solution. In attempting to accoun...

Northrop Grumman Systems