
William Heinrich Moennig Sr. was born in 1883 in Markneukirchen, Germany, and died in 1962; he immigrated to Philadelphia in the early 1900s to pursue a career in violin making.
| Attribute | Detail |
|---|---|
| Full Name | William Heinrich Moennig Sr. |
| Birth Year | 1883 |
| Death Year | 1962 |
| Origin | Markneukirchen, Germany |
| Immigration Year | Early 1900s |
In 1909 he established William Moennig & Son, Ltd., which became Philadelphia’s premier dealer of rare violins and bows until its centennial closure on December 11, 2009.
| Milestone | Date |
|---|---|
| Shop Founded | 1909 |
| Key Clientele Acquired | 1910s–1930s |
| Firm’s 100th Anniversary | 2009 |
| Closure Date | December 11, 2009 |
Moennig’s company sold masterworks by Stradivari and Guarneri to famous people like Heifetz and Stern. In June 2010, Tarisio auctioned off more than 600 pieces from the company’s collection, including a Tubbs viola bow that sold for $27,600.
| Aspect | Detail |
|---|---|
| Notable Makers | Stradivari, Guarneri |
| Prominent Clients | Jascha Heifetz, Isaac Stern |
| Auction Date | June 2010 |
| Lots Sold | 600+ |
| Top Sale | $27,600 (Tubbs viola bow) |
His son, William H. Moennig Jr. (1905–1982), became the first American-born Master violin maker in 1936; the business remained in the family through William III until its 2009 closure.
| Generation | Name | Role | Active Years |
|---|---|---|---|
| 1st (Founder) | William Sr. (1883–1962) | Founder & Dealer | 1909–1962 |
| 2nd | William Jr. (1905–1982) | Master Luthier & Instructor | 1936–1982 |
| 3rd | William III (1930–2004) | Director & Society Leader | 1962–2004 |
| 4th | William IV | Restorer | 2004–2009 |
| Event | Date |
|---|---|
| Centennial Celebration | 2009 |
| Firm Closure | December 11, 2009 |
| Collection Auction | June 2010 |
He was born in 1883 in Markneukirchen, Germany.
He founded William Moennig & Son, Ltd., a premier violin and bow dealership, in 1909.
The shop served clients for exactly 100 years, closing on December 11, 2009.
His son and grandsons, William Jr., William III, and William IV, carried the business and craft through to 2009.






