Final answer:
Cannot accurately respond to the question about Dawn Nelson and her Geriatric Massage practice as the provided information does not reference her or the practice.
Step-by-step explanation:
The question regarding Dawn Nelson and the establishment of a Geriatric Massage practice cannot be answered accurately with the provided references. None of the provided materials specifically mention Dawn Nelson starting a Geriatric Massage practice. It is worth noting that Dr. Ignatz Nascher, as mentioned in the Clarfield article from 1990, is known as the 'father of geriatrics' and pioneered the field in 1914. He saw the medical care of the elderly as a special practice, similar to how pediatrics focuses on children. However, the materials provided do not give any information about Dawn Nelson, a Geriatric Massage practice, or its establishment in any location or time.