HISTORY OF BUCKS COUNTY. 



143 



married Henry Unangst, of Williams 

 township, Northampton county, Penn- 

 sylvania, and later settled near Pleasant 

 Valley, Bucks count)-; Lewis Shelly, and 

 John S., both now residing in Allentown, 

 Pennsylvania; and Henry Sylvester, who 

 now resides in Ithaca, New York. 



Henry Sylvester Jacoby, born on 

 the old homestead near Bursonville, 

 April 8, 1857, was reared on the 

 farm and attended the public school 

 during the winter sessions, and during 

 the summer months attended the private 

 school of David W. Hess for eight years. 

 He attended the Excelsior Normal In- 

 stitute at Carversville, Bucks county, 

 during the terms of 1870-72, and the 

 preparatory department of Lehigh Uni- 

 versity, 1872-3. He then took the regu- 

 lar four-years course at Lehigh Univer- 

 sity, receiving the degree of Civil En- 

 gineer in 1877. During the season of 

 1878 he was stadia rodman on the Le- 

 liigh Topographical Corps, of the Sec- 

 ond Geological Survey of Pennsylvania. 

 From November, 1878, to November, 

 1879, he was engaged on surveys of the 

 Red River, Louisiana, with the U. S. A. 

 Corps of Engineers, under Major W. 

 H. H. Benyaurd. From November, 

 1879. to March, 1885, he served as chief 

 draughtsman in the United States En- 

 gineer's Office at Memphis, Tennessee. 

 From May, 1885, to August, 1886, he was 

 bookkeeper and cashier for G. W. Jones 

 & Co., wholesale druggists in Memphis. 

 From September, 1886, to June. 1890, he 

 was instructor in civil engineering at his 

 alma mater, Lehigh University. In Sep.- 

 tember, 1890, he was elected assistant 

 professor of Bridge Engineering and 

 Graphics at Cornell University, was pro- 

 moted to an associate professorship in 

 the same department in 1894. ^'if^ in 

 1900 was made full professor of Bridge 

 Engineering in the University, and has 

 since filled that position. 



In August, 1887, he was admitted a 

 member of the American Association 

 for the Advancement of Science; was 

 made a fellow of the Association in 

 1894; secretary of "Section D" in 1895, 

 and vice president and chairman of Sec- 

 tion D. (Mechanical science and Engi- 

 neering) in 1901. On November 5, 1890, 

 he became an associate of the American 

 Society of Civil Engineers; in August. 

 1894, a member of the Society for the 

 Promotion of Engineering Education, of 

 which he was secretary 1900-1902. On 

 February 22, 1888, he became a member 

 of the Honorary Scientific Society of 

 Tau Beta Pi, and of the Honorary Sci- 

 entific Society of Sigma Xi on May i. 



Professor Jacoby. in addition to con- 

 tributing numerous articles on Engineer- 

 ing and kindred subjects, for periodicals 

 devoted to that science, is the author 

 -of the following publications: "Notes 

 and Problems in Descriptive Geom- 



erty," (1892); "Outlines of Descriptive 

 Geometry" Part I, 1895, Part II, i8q6. 

 Part III, 1897; "A Text Book on Plain 

 Lettering," (1897). He is joint author 

 with Professor Mansfield Merriman of 

 a "Text Book on Roofs and Bridges," in 

 four volumes (1890-1898) embracing the 

 following branches: Part I, "Stresses in 

 Simple Trusses," 1888, entirely re- 

 written in 1904; Part II, "Graphic Sta- 

 tics," 1890, enlarged in 1897; Part III, 

 "Bridge Design," 1894. re-written 1902; 

 Part IV, "Higher Structures," 1898. 

 Professor Jacoby served as editor of the 

 Journal of the Engineering Society of 

 Lehigh University for the years 1887- 

 1890. 



Professor Henry S. Jacoby married 

 May 18. 1880, Laura Louise Saylor, 

 daughter of Thomas S. and Emma A. 

 Saylor, of Bethlehem, Pennsylvania, 

 and they are the parents of three chil- 

 dren, John Vincent, Hurlbut Smith, and 

 Freeman Steel, all of whom reside with 

 their parents at Ithaca, New York. 



Professor Jacoby retains a lively in- 

 terest in the affairs of his native county, 

 and makes many extended visits to the 

 old homestead in Springfield (the own- 

 ership of which he still retains), as well 

 as to other points of Bucks county, tak- 

 ing a proper and commendable pride in 

 his Bucks county ancestry. 



PHILIP H. FRETZ. Among the rep- 

 resentatives of the old and honored fam- 

 ilies of Bucks county who. with their 

 respective ancestors, have witnessed the 

 settlement and development of our be- 

 loved county from a primitive wilderness, 

 inhabited by a primitive race, to a thick- 

 ly settled, prosperous, wealthy and en- 

 lightened community, is Philip H. Fretz, 

 of Doylestown township. He w-as born 

 in the township in which he still resides, 

 November 22, 1846. and is a son of Phil- 

 ip K. and Anna (Stover) Fretz. the an- 

 cestors of both of whom had been prom- 

 inent factors in the development of the 

 natural resources of Bucks county, those 

 of the latter being the pioneer millers 

 of Tinicum and Bedminster and her emi- 

 grant ancestor being Henry Stauflfer, 

 who emigrated from Alsace in 1749 and 

 settled in Bedminster soon after that 

 date. His son Jacob, born May 13. 1757. 

 was the grandfather of Mrs. Fretz, and 

 Henry, son of the last named, born Oc- 

 tober 17. 1786, was her father. Her moth- 

 . er w-as Barbara Stout, daughter of Is- 

 aac Stout, of Williams township. North-i 

 ampton county, and a granddaughter of 

 Jacob Stout, the emigrant ancestor of 

 the Stout family of Bucks, an account 

 of w-hom is given in this work. Bar- 

 bara was educated at the Moravian 

 school at Bethlehem, and her husband, 

 Henry S. Stover, at the Doylestown 

 Academv. under the Rev. Uriah Dubois, 



