A Ninth-Century Commentary on Donatvs

Commentary: A century of Mendelism: on Johannsen's genotype conception.

Herbert Spencer, ‘pangenes’ of de Vries and ‘bioblasts’ of Richard Altmann had been widely considered. The most elaborate 19th century theory of heredity and development was that of August Weismann who postulated the existence of a hierarchy of determinants, organized in chromosomes, which would segregate out of the cell nucleus in the course of development and determine cell types. Weismann’s ...

Vocabularies of Grief and Consolation in Ninth-Century Francia

A commentary on hunger in Quranic verses

Hunger has been always regarded as one of the signs in mysticism and morality and all Sufis have known it as one of the bases for their special manner of life. Some have known it to mean eating based on need, some other to mean fasting and some to mean not eating but necessarily. The author, as is understood in the paper, relying on Quran and sunnah, has explained that the meanings are intended...

Cutting-edge Chemistry: Some 19th - Century Russian Contributions. a Commentary

This presentation follows the “classic” paper of Bensaude-Vincent (1) rather closely, but with some additional points and emendations to her argument. One of the first points Kaji makes—that Mendeleev was ambivalent about the status of the atomic theory—can be related to what Bensaude-Vincent delineates as the “strict positivist tradition” to which he belonged. Kaji, however, give this philosop...

The Ninth Annual George R. Daicoff Lecture: The morality of innovation: a twentieth century surgical legacy.

I T IS A GREAT HONOUR TO HAVE BEEN ASKED TO deliver the Ninth Annual George R. Daicoff Lecture. I met Dr Daicoff 18 years ago, when I first attended a meeting of the Congenital Heart Surgeons’ Society. He had been one of the sixteen pioneers of congenital cardiac surgery who had founded that organization many years earlier. Some of the earliest contributions of Dr Daicoff date back to an era wh...