Prior to 2022, only two families had owned 25 Hemlock Road.

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The house was designed and custom built for the original owners, Dr. Walter Lobitz and Betty Lobvitz. Dr. Lobvitz founded the Dermatology program at Dartmouth before moving to Portland Oregon to serve as the Department Chair at the University of Oregon Medical School. Dr. Lobitz was a giant of dermatology - an internationally renowned dermatologist, scientist and mentor.

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In 1959 the Lobvitz's sold the house to Dr. Raymond Jackson and his wife Alice, and their family owned the house until 2022. Dr. Jackson served as the first full-time medical director of Dartmouth - a position he held in conjunction with his faculty position at what was then the Dartmouth Medical School. Alice was very active in the Upper Valley community, and there is a plaque commerorating her at the top of the Balch Hill Trail next to 25 Hemlock Road.