Hypnosis is a social interaction in which one person, called the subject, acts on suggestions from another person, called the hypnotist, for imaginative experiences involving alterations in cognition and voluntary action. Among those individuals who are most highly hypnotizable, these alterations in consciousness can be associated with subjective conviction bordering on delusion, and an experie...

we discuss the repercussions of the development of infinitesimal calculus into modern analysis, beginning with viewpoints expressed in the nineteenth and twentieth centuries and relating them to the natural cognitive development of mathematical thinking and imaginative visual interpretations of axiomatic proof.

Letters from Silas Burroughs to his junior partner Henry Wellcome and other business associates have recently come to light Written during his travels (1880-1882) soon after the establishment of their pharmaceutical company, the letters show how this energetic, resourceful and imaginative salesman developed and expanded the business overseas and tackled the problems of preservation, packaging a...