The Bachmann-Strauss Dystonia & Parkinsons Foundation | 218 followers on LinkedIn. The Bachmann-Strauss Dystonia & Parkinson Foundation (BSDPF) was founded in 1995 as a nonprofit 501(c)3 by Louis Bachmann(1916-2000) and Bonnie Strauss. The Foundation was started to encourage new research and scientists in the fields of dystonia and Parkinson disease, and to heighten awareness about the diseases. The early stages of scientific research are often the hardest to fund.