Robert Rheinlander was based in Glens Falls, New York and designed and or built many well known and large buildings in the northern New York State area. He was a member of the Society of American Registered Architects.^[1] His career was predominantly from 1900 – 1945. Among Rheinlanders achievements, he designed and rebuilt The Sagamore a grand Victorian hotel on Lake George in 1921–1922 after a fire.^[2]

Robert designed and or built the following buildings which are listed on the National Register of Historic Places:

• The Cunningham House at 161 Warren Street
• The Hoopes House at 153 Warren Street
• The Hyde Museum at 169 Warren Street^[3]

Additionally, he assisted in the designs the Finch Pruyne (Finch Paper) Headquarters building in Glens Falls. Rheinlander also built the Crandall Public Library in Glens Falls^[4]

Rheinlander was a former director of the Glens Falls National Bank and Trust Co. and a director of the Tait Paper and Color Industries,^[5] later known as Imperial Paper and Color Corp and ultimately owned by Ciba-Geigy.^[6]

Robert H. Rheinlander was born in 1880. He was a native of North Adams, Massachusetts.^[1] Rhinelander was a member of the Society of American Registered Architects, a 32nd degree Mason, and a member of Senet Lodge of Masons of Albany and the Albany Sovereign Consistory, Scottish Rite Masons. He was also a member of the Glens Falls First Baptist Church.^[1] He married Pauline Dearstyne, daughter of Harvey Rey Dearstyne. They had one son, Robert Rheinlander, and a daughter who went by the nickname "Billie."

Rheinlander died in 1961 and is buried at the Glens Falls Cemetery.^[1]