Lambert Beverly Halstead (13 June 1933 – 30 April 1991), who also went by Lambert Beverly Halstead Tarlo or just Beverly Halstead, was a British

paleontologist Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...

and professor of

Geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...

Zoology Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...

and

popularizer of science ''Popular Science'' (also known as ''PopSci'') is an American digital magazine carrying popular science content, which refers to articles for the general reader on science and technology subjects. ''Popular Science'' has won over 58 awards, inclu ...

. He was noted for his candid theories of dinosaur sexual habits, and also for a prolonged assault on

phylogenetic systematics Cladistics (; ) is an approach to biological classification in which organisms are categorized in groups ("clades") based on hypotheses of most recent common ancestry. The evidence for hypothesized relationships is typically shared derived chara ...

(or "cladism", as he referred to it), in a series of letters and editorials to the journal

Nature Nature, in the broadest sense, is the physics, physical world or universe. "Nature" can refer to the phenomenon, phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. ...

in the late 1970s and early 1980s. He was President of the

Geologists' Association The Geologists' Association, founded in 1858, is a British organisation with charitable status for those concerned with the study of geology. It publishes the ''Proceedings of the Geologists' Association'' and jointly with the Geological Society ...

for 1990–91.

References

* Republished in W.A.S. Sarjeant (ed.), Vertebrate fossils and the evolution of scientific concepts. Writings in tribute to Beverly Halstead. Reading, England: Gordon & Breach Publishers, 1995. * 1933 births 1991 deaths British palaeontologists Presidents of the Geologists' Association {{paleontologist-stub