Valdemar Petersen (1901-1986) founded his nursery at Løve in 1930.
[From Modern Roses 10, p. 728:] V. Peterson, Peterson's Planteskole, Love, Denmark
2017 Autumn. No. 54 Historic Rose Journal, U.K., page 22
Jens Otto Pedersen: my Favourite Danish Rose Gardens. Gerlevparken. Gerlev Park was established in 1979 when the Foundation for Trees and Environment recieved a donation of ten hectares of land, on which many trees had already been collected and planted by the former owner. Today the park consists of three separate areas: the Danish Tree Collection, the collection of roses grown by four generations of the Poulsen family, and the Historic Roses collection of Valdemar Petersen (1901-1986) ......
[From Rose Letter, November 2018, p. 4:] Valdemar Petersen died in 1985, having sold his nursery to Torben Thim.