Complex sentence: In 1998, Shep founded the "Triennial R. L. Shep Symposium of Textiles and Dress" at the Los Angeles County Museum of Art. The Symposia are supported by the R.L. Shep Symposium Endowment for Costume and Textiles.
Split into simpler sentences: In 1998, Shep founded the Triennial R. L. Shep Symposium of Textiles and Dress at LACMA. The symposia are supported by the R.L. Shep Symposium Endowment for Costume and Textiles.