Trichology Trichology Trichology is the branch of dermatology that deals with the scientific study of the health of hair and scalp. Trichologists are hair and scalp specialists (one type of skin specialist) who diagnose the causes of hair fall, hair breakage, hair thinning, miniaturization of hairs, diseases of the scalp, and treat according to cause. An interest in hair loss and hair care originated around 1860 in a London barbershop under a certain Professor Wheeler. Later in 1902, this interest in hair disorders became known as Trichology and the Institute of Trichologists was founded. The Institute of Trichologists at over 100
Nature study students, who were influenced by this philosophy, went on to provide the nature study knowledge in public schools. It was Agassiz who coined the phrase, "Study nature, not books." Nature study can be described as "conceiving of the movement as a loose coalition of communities composed of individuals, societies, and institutions able to find some common ground in the study and appreciation of the natural world". In "Leaflet I: What Is Nature-Study?" from a 1904 collection nature study lessons, Liberty Hyde Bailey presented the following description of nature study: NATURE-STUDY, as a process, is seeing the things that one looks