Painter and teacher, born in Birmingham, who was especially noted for his watercolours and pastels of Cornish coastal scenes. At the age of 11 he entered Birmingham School of Art, then strongly under the influence of the Arts and Crafts Movement, where his studies included subjects such as stained glass and where fellow-students included Gerald Leslie Brockhurst and Henry Rushbury. Lavenstein was among the most distinguished students, winning a bronze medal in 1908 and a silver in 1910. Went on to teach at Kidderminster School of Art, having served as a driver in Salonika in World War I, remaining at the School until 1954. Exhibited RA, NEAC, RSA, Paris Salon and elsewhere. In 1930 was elected a member of RBSA, which in 1938 exhibited his works.