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A tribute to Per Halldal (1922–1986), a Norwegian photobiologist in Sweden

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Abstract

We present here a tribute to Per Halldal (February 2, 1922–March 26, 1986), a leader, an instrumentalist, an expert on phototaxis in algae, and one whom we remember, even after 20 years of his death, as a person who spread joy, enthusiasm and knowledge wherever he went.

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References

  • Andruleit H, Geisen M, Stäger S (2006) Stereo-microscopy of coccolithophores—modern applications for imaging and morphological analysis. J Nannoplankton Res 28:1–16

    Google Scholar 

  • Björn LO (1987) Per Halldal 27/2 1922–26/3 1986—Kungl. Fysiografiska Sällskapets i Lund Årsbok 1986, pp. 80–84 [In Swedish]

  • Eriksson CE, Halldal P (1965) Purification of phycobilins from red algae and their fluorescence and excitation spectra in visible and ultraviolet. PhysiolPlant 18:146–152

    CAS  Google Scholar 

  • Govindjee, Fork DC (2006) Charles Stacy French 1907–1995. Biographical Memoirs 88:1–29. National Academy of Sciences, Washington, DC

  • Halldal P (1957) Importance of calcium and magnesium ions in phototaxis of motile green algae. Nature 179:215–216

    Article  CAS  Google Scholar 

  • Halldal P (1960) Action spectra of induced phototactic response changes in Platymonas. Physol Plant 13:726–735

    Article  CAS  Google Scholar 

  • Halldal P (1961a) Ultraviolet action spectra of positive and negative phototaxis in Platymonas subcordiformis. Physiol Plant 14:133–139

    Article  CAS  Google Scholar 

  • Halldal P (1961b) Photoactivations and their reversals in growth and motility in green alga Platymonas (Volvocales). Physiol Plant 14:558–575

    Article  CAS  Google Scholar 

  • Halldal P (1961c) Photoreactivation at 223 mμ in Platymonas. Physiol Plant 14:890–895

    Article  CAS  Google Scholar 

  • Halldal P (1967) Ultraviolet action spectra in algology, a review. Photochem Photobiol 6:445–460

    PubMed  CAS  Google Scholar 

  • Halldal P (1968) Photosynthetic capacities and photosynthetic action spectra of endozoic algae of massive coral Favia. Biol Bull 134:411–424

    Article  CAS  Google Scholar 

  • Halldal P (1969) Automatic recording of action spectra of photobiological processes. Spectrophotometric analyses, fluorescence measurements, and recording of first derivative of absorption curve in one simple unit. Photochem Photobiol 10:23–34

    PubMed  CAS  Google Scholar 

  • Halldal P, French CS (1958) Algal growth in crossed grandients of light intensity and temperature. Plant Physiol 33:249–252

    Article  PubMed  CAS  Google Scholar 

  • Halldal P, Halldal K (1973) Phytoplankton, chlorophyll and submarine light conditions in Kings Bay, Spitsbergen, July 1971. Norw J Bot 20:99–108

    Google Scholar 

  • Halldal P, Markali J (1955) Electron microscope studies on coccolithophorids from the Norwegian Sea, the Gulf Stream and the Mediterranean. Norske Videnskaps-Akademi i Oslo. Geofysiske Publikasjoner 1:1–30

    Google Scholar 

  • Halldal P, Öquist G, Timner L (1974) Automatic recordings of action spectra for partial reactions of photosynthesis. Physiol Plant 31:67–72

    Article  CAS  Google Scholar 

  • Halldal P, Nordström B, öquist G (1975) Quantacorrected spectrometer for recording different types of photobiological, photochemical, and spectrophotometric measurements. Physiol Plant 35:5–10

    Article  CAS  Google Scholar 

  • Jordan RW, Green JC (1994) A checklist of the extant Haptophyta of the world. J Marine Biol Assoc UK 74:149–174

    Article  Google Scholar 

  • Nilsen S, Kristiansen E, Halldal P (1975) System for continuous measurement of photosynthetic rate and dark respiration at constant CO2-level. Physiol Plant 35:59–61

    Article  CAS  Google Scholar 

  • van Ginkel G, Goedheer JHC (1991) Jan Bertolomeus Thomas. Photosynth Res 65–69

  • Wilhelm C, Jakob T (2006) Uphill energy transfer from long-wavelength absorbing chlorophylls to PSII in Ostreobium sp. is functional in carbon assimilation. Photosynth Res DOI: 10.1007/s11120–005–9002–3 (online in advance)

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Correspondence to Lars Olof Björn.

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Björn, L.O., Sundqvist, C. & Öquist, G. A tribute to Per Halldal (1922–1986), a Norwegian photobiologist in Sweden. Photosynth Res 92, 7–11 (2007). https://doi.org/10.1007/s11120-006-9072-x

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  • DOI: https://doi.org/10.1007/s11120-006-9072-x

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