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The influence of three distinct activators prepared from tomatoes, yeast, or liver, on the metabolism of two species of lactic acid bacteria has been studied. One of these activators is Bios II A, and the other two have been shown to be components constituting Bios II B. On the basis of their physical and chemical properties, it is suggested that the growth stimulants required by the lactic acid bacteria are identical with certain of the heat-stable accessory food factors of the Vitamin-B complex essential for the growth of animals.

Richard Hooker's work seems relevant to two of the major human projects of our time, the search for unity within the Church and the attempt by modern states to establish their rival ideologies in the world. Hooker's fraternal patience with his Puritan opponents has frequently been noted, as well as his courage in daring to suggest publicly in Elizabethan England that even Roman Catholics might be saved. It would seem likely on the face of it that so irenic a figure could contribute much to ecumenical discussion. With regard to the war for the minds and souls of men in which some statesmen regard their countries as now engaged, one would also expect to find material for reflection in Of The Laws of Ecclesiastical Polity, a work in which ultimate convictions and values are treated in intimate relation to their possible social embodiment and political enforcement.

The English Franciscan, William of Ockham (c. 1285–1349), was one of the most important thinkers of the later middle ages. Summoned to Avignon in 1324 to answer charges of heresy, Ockham became convinced that Pope John XXII was himself a heretic in denying the complete poverty of Christ and the apostles and a tyrant in claiming supremacy over the Roman empire. Ockham's political writings were a result of these personal convictions, but also include systematic discourses on the basis and functions of spiritual and secular power as well as exhaustive discussions of Franciscan poverty and the general problem of papal heresy. Ockham emerges in this study as a man deeply committed to natural and Christian human rights, who found these fundamental values so seriously menaced in his time that their survival could be assured only by radical, even revolutionary, personal action and by a basic reworking of traditional political thought.

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