A Centenary 1893–1993

Tay-Sachs disease: a centenary.

Gantt charts: A centenary appreciation

With the proliferation of microcomputer based project management packages Gantt charts have enjoyed a revival in their use. Although Henry L. Gantt is recognized as their developer their origins and provenance are less well known. Gantt was a close associate of Frederick W. Taylor and an advocate of Scientific Management. His paper describing the use of ‘‘graphics’’ for general production plann...

Canine papillomavirus--A centenary review.

Allergen Immunotherapy: A Centenary Celebration

In 1911 and long before the availability of antiallergic drugs, Leonard Noon demonstrated that prophylactic subcutaneous inoculation with a grass pollen extract was effective in suppressing immediate conjunctival sensitivity to grass pollen.1 Noon’s coworker, John Freeman, continued to practice immunotherapy and in 1930 published the first rush immunotherapy protocol.2 William Frankland, a coll...

Special Relativity: A Centenary Perspective

2 Fundamentals of special relativity 80 2.1 Einstein’s postulates and insights . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 2.2 Time out of joint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 2.3 Spacetime and Lorentz invariance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 2.4 Special relativistic dynamics . . . . . . . . . . . . . . . ...