Claim: 1803 Zwicky provisional designation 1967 CA, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter,  It was discovered on 6 February 1967, by Swiss astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland.
Evidence: 1803 Zwicky, provisional designation 1967 CA, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 6 February 1967, by Swiss astronomer Paul Wild at Zimmerwald Observatory near Bern, Switzerland. 
1803 Zwicky, provisional designation 1967 CA, is a stony Phocaea asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. 6 February 1967 Zimmerwald Obs. P. Wild Paul Wild (German: [ˈvɪlt; 5 October 1925 – 2 July 2014) was a Swiss astronomer and director of the Astronomical Institute of the University of Bern, who discovered numerous comets, asteroids and supernovae. Built in 1956, it is located at Zimmerwald, 10 kilometers south of Bern, Switzerland.