4519 P-L. Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Palomar.

Named in honor of Wieslaw Z. Wisniewski {19311994} , astronomer at the University of Arizona. Wisniewski worked on the lightcurves of comets and minor planets, especially Earth-approaching objects. He was a leading authority on photometric standards and on photometry with CCDs as well as with photomultipliers. (M 16040)

Obituaries published in Minor Planet. Bull., Vol. 21, No. 2, p. 20 (1994); Icarus, Vol. 112, No. 2, p. 300-301 (1994); Q.J.R. Astron. Soc., Vol. 37, No. 4, p. 845 (1996); Bull. Am. Astron. Soc., Vol. 26, No. 4, p. 1611-1612 (1994); Postepy Astron., Tom 43, No. 1, p. 41-43 (1995).

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