Kenneth Newman Morris: Surgeon, historian, nature lover and family man

Samuel D. Gross of Philadelphia: pathologist, surgeon, and medical historian.

Samuel David Gross (1805–1884) (Fig. 1), a native of Easton, Pennsylvania, and a graduate of Jeff erson Medical College in Philadelphia, wrote his fi rst book [1] in 1828, just two years after he received his M.D. degree. Th e book, which was the fi rst American treatise on orthopedic pathology and surgery, was an instant success, but Gross’s attempt to establish a surgical practice was a failu...

Generalized Functions of Symmetric Matrices Marvin Marcus1 and Morris Newman

The nature of surgeon human capital depreciation.

To test how practice interruptions affect worker productivity, we estimate how temporal breaks affect surgeons' performance of coronary artery bypass grafting (CABG). Examining 188 surgeons who performed 56,315 CABG surgeries in Pennsylvania between 2006 and 2010, we find that a surgeon's additional day away from the operating room raised patients' inpatient mortality by up to 0.067 percentage ...

The Nature of Man

Understanding human behavior is fundamental to understanding how organizations function, whether they are profit-making firms, non-profit enterprises, or government agencies. Much disagreement among managers, scientists, policy makers, and citizens arises from substantial differences in the way we think about human nature—about their strengths, frailties, intelligence, ignorance, honesty, selfi...

The nature and incidence of injuries in morris dancers.

Morris dancing includes several distinct forms of vigorous traditional dance with about 5000 amateur participants in the UK and Ireland. Questionnaires were sent to over 500 registered morris sides. The response rate was 29 per cent with 129 acute injuries and 47 chronic injuries including one fatality. The commonest acute injuries were to ankle (33 per cent) and calf (22 per cent). The back wa...