Complex sentence: He studied at the Slade School of Art 1902--6 with Henry Tonks and under Jean-Paul Laurens at the Académie Julian in Paris, 1906--8, and held his first solo exhibition at the Goupil Gallery in 1914.
Split into simpler sentences: He studied at the Slade School of Art from 1902 until 1906 with Henry Tonks and under Jean-Paul Laurens at the Académie Julian in Paris, 1906--8. Strang held his first solo exhibition at the Goupil Gallery in 1914.