Aarre Johannes Ylimaki, Finnish plant pathology educator. Served to lieutenant infantry Finnish Armed Forces, 1940-1944.; Member International Society Plant Pathology (council), Science Agricultural Society Finland, Society Biochems., Biophysics and Microbiology, Plant Protection Society Finland, Finnish Academy of Sciences.
- Agronomist, University Helsinki, 1947, Master of Science, 1960, Licentiate in Agriculture and Forestry, 1964, D.Agrl. and Forestry, 1967. Plant protection inspector Agricultural Research Centre, Vantaa, Finland, 1948-1956, senior plant pathologist, 1957-1965, special plant pathologist, 1966-1969, professor, head of institute, 1970-1983, emeritus, since 1983. Docent plant pathology University Helsinki, 1968-1985.