Vintage 7.75X9.5 sepia glossy photograph signed in blue fountain pen ink, "D. B. Steinman." In excellent condition.David Barnard Steinman (June 11, 1886 – August 21, 1960) was an American civil engineer. He was the designer of the Mackinac Bridge and many other notable bridges, and a published author. He grew up in New York City's lower Manhattan, and lived with the ambition of making his mark on the Brooklyn Bridge that he lived under. In 1906 he earned a bachelor's degree from City College and in 1909, a Master of Arts from Columbia University and a Doctorate in 1911. He also received an honorary Doctor of Science in Engineering on 15 April 1952 from degree mill Sequoia University, but would distance himself from it soon after a 1957 inquiry raised doubts over its legitimacy, and did not mention the qualifications in his biographies. He was awarded the Franklin Institute's Louis E. Levy Medal in 1957.David B. Steinman built bridges in the United States, Thailand, England, Portugal, Italy, Brazil, Haiti, Puerto Rico, Canada, Korea, Iraq and Pakistan. He had a literary bent, and was a published author with several books, articles in advancement of his craft, and even had children's books and poetry to his credit.This lot came from the Jim Wiggins collection we purchased in July 2022. Jim Wiggins accumulated the most unique and valuable autograph collection over a period of 70 plus years. He obtained his collection either in person or by writing to persons of fame and notoriety. Comes with a full Letter of Authenticity from Todd Mueller Authentics.