# Christian Leuckert

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German lichenologist and analytical organic chemist

Christian Leuckert Born (1930-03-27)March 27, 1930 Radeberg, near Dresden. Died January 27, 2011(2011-01-27) (aged 80) Berlin Alma mater University of Leipzig; Free University of Berlin Awards Acharius Medal Scientific career Thesis “The lignan glycoside arctiin, as a chemotaxonomic feature in the family Compositae. (Das Lignanglykosid Arctiin, als chemotaxonomisches Merkmal in der Familie der Compositen) (1965) Doctoral advisors Rudolf Hänsel Author abbrev. (botany) Leuckert

**Christian Leuckert** was a [lichen](/source/Lichen) [taxonomist](/source/Taxonomist) who applied the diversity of [secondary metabolites](/source/Secondary_metabolites) within lichens as useful taxonomic criteria. He was Director of the Institute of Plant Systematics and Plant Geography at the Free University of Berlin from the 1970s until 1995.[1]

## Early life and education

Christian Leuckert's parents were Alfred and Louise (née Friedrich) Leuckert. His father worked as an expert plumber.[2] After elementary school in Radeberg, he began attending a [Rudolph Steiner](/source/Waldorf_education) school in [Dresden](/source/Dresden), until it was officially closed in 1941. He completed his secondary education in Radeberg. After the [Second World War](/source/Second_World_War) he found himself in the [German Democratic Republic](/source/German_Democratic_Republic). He was able to complete his education from 1946 - 1948 at the re-opened Steiner school. He then trained as a teacher at [Technical University of Dresden](/source/Technical_University_of_Dresden) and [Martin Luther University](/source/Martin_Luther_University) in Halle-Wittenberg.

In 1954 he was allowed to re-start his education, studying biology at [University of Leipzig](/source/University_of_Leipzig). However, in 1955 he moved to [West German](/source/West_German) and enrolled for biology and chemistry at the [Free University of Berlin](/source/Free_University_of_Berlin). In 1961 he started his doctoral research on chemotaxonomy within the [Asteraceae](/source/Asteraceae) under the supervision of Rudolf Hänsel, Director of the Institute for Pharmacognosy at the [Berlin Botanical Garden and Botanical Museum](/source/Berlin_Botanical_Garden_and_Botanical_Museum). The PhD degree was awarded in 1965.[2] Über Anthocyane und verwandte Verbindungen bei den Centrospermen“

## Career

Leuckert initially worked as a junior school teacher in Leipzig. However, after his later academic studies at the Free University of Berlin he pursued an academic career. From 1962 until 1965 Leukert held a part-time scientific assistant position at the Institute for Pharmacognosy at the Free University of Berlin, which became a full-time post after he gained his PhD.[2] In 1966 he began to apply his knowledge to lichens after being recruited by [Josef Poelt](/source/Josef_Poelt), the lichenologist newly appointed as the Professor of Systematic Botany at the Institute of Plant Systematics and Plant Geography at the Free University of Berlin. Leuckert turned out to have organisational and management skills that were used as the Institute developed, including during the construction and out-fitting of a new building in the grounds of the botanic garden. He gained his [habilitation](/source/Habilitation) in 1970 and was promoted to a professorship. He remained at the Institute of Plant Systematics and Plant Geography until he retired in 1995.[1]

His research and teaching focused on analysis of the secondary metabolites of lichens for taxonomy, adopting new technologies such as mass spectrometry as they became available. He collaborated with many other research groups, especially those expert in [morphology](/source/Morphology_(biology)), where he provided the chemical analysis component in projects. He was particularly interested in [xanthones](/source/Xanthonoid), not only their structure but also their sub-cellular locations. His own work was primarily on genera within the [Lecanorales](/source/Lecanorales), notably *Acarospora*, *Cladonia*, *Dimelaena*, *Lecanora*, *Lecidea*, *Lepraria*, *Lobothallia*, *Parmelia*, *Pertusaria*, *Ophioparma* and *Rhizoplaca*.[1]

## Publications

Leuckert was the author or co-author of at least 94 scientific papers and book chapters.[2] His most significant publications include:

- Leuckert, Ch. (1984) Die Identifizierung von Flechtenstoffen im Rahmen chemotaxonomischer Routineanalysen. in: Hertel, H. & Oberwinkler, F. (eds.) *Beiträge zur Lichenologie. Festschrift J. Poelt. – Beiheft Nova Hedwigia* 79: 839 –869.

## Honours and awards

At his retirement in 1995, when he was 65 years old, a [Festschrift](/source/Festschrift) was held and published as *Studies in lichenology with emphasis on chemotaxonomy, geography and phytochemistry: Festschrift Christian Leuckert* with 55 contributions.[3] In 1996 he was awarded the [Acharius Medal](/source/Acharius_Medal) by the [International Association for Lichenology](/source/International_Association_for_Lichenology) in recognition of his lifetime's work.[4] In 2000 he was made an honorary member of the Italian Society of Lichenology.[2]

Several lichen have been named after him, including *Lecanora leuckertiana* Zedda (2000) (= *[Lepraria leuckertiana](/source/Lepraria_leuckertiana)* (Zedda) [L.Saag](/source/Lauri_Saag) (2009)); *[Lecidella](/source/Lecidella) leuckertiana* Knoph & Mies (1995); *[Mycomicrothelia](/source/Mycomicrothelia) leuckertii* D. Hawksw. & J.C.David (1995); *Opegrapha leuckertii* S. Y. Kondr. & DJ Galloway (1995) (= *[Plectocarpon](/source/Plectocarpon) leuckertii* (S.Y.Kondr. & D.J.Galloway) Ertz & Diederich (2005)) and *[Sclerococcum](/source/Sclerococcum) leuckertii* Diederich & P.Scholz (1995).[2]

## Personal life

He met Eva Schwabhäuser when they were both teachers at an elementary school near [Meissen](/source/Meissen). In 1955 they left for Berlin in [West Germany](/source/West_Germany), pretending they were going for a short holiday. They married on 1 June 1955. She trained as a junior school teacher. They had two children together. He died 27 January 2011.[2]

## References

1. ^ [***a***](#cite_ref-IAL2022_1-0) [***b***](#cite_ref-IAL2022_1-1) [***c***](#cite_ref-IAL2022_1-2) ["Acharius Medallists Christian Leuckert"](https://web.archive.org/web/20070311001433/http://www.lichenology.org/Awards/Acharius_Leuckert.html). *International Association for Lichenology*. Archived from [the original](http://www.lichenology.org/Awards/Acharius_Leuckert.html) on 11 March 2007. Retrieved 20 September 2022.

1. ^ [***a***](#cite_ref-Hertel2011_2-0) [***b***](#cite_ref-Hertel2011_2-1) [***c***](#cite_ref-Hertel2011_2-2) [***d***](#cite_ref-Hertel2011_2-3) [***e***](#cite_ref-Hertel2011_2-4) [***f***](#cite_ref-Hertel2011_2-5) [***g***](#cite_ref-Hertel2011_2-6) Hertel, Hannes (2011). ["Prof. Dr. Christian Leuckert (27.3.1930–27.1.2011)"](https://bioone.org/journals/herzogia/volume-24/issue-1/heia.24.1.2011.19/Prof-Dr-Christian-Leuckert-27319302712011/10.13158/heia.24.1.2011.19.short). *Herzogia*. **24** (1): 19–31. [Bibcode](/source/Bibcode_(identifier)):[2011Herz...24...19H](https://ui.adsabs.harvard.edu/abs/2011Herz...24...19H). [doi](/source/Doi_(identifier)):[10.13158/heia.24.1.2011.19](https://doi.org/10.13158%2Fheia.24.1.2011.19). [S2CID](/source/S2CID_(identifier)) [84893372](https://api.semanticscholar.org/CorpusID:84893372). Retrieved 27 September 2022.

1. **[^](#cite_ref-Knoph&Sipman1995_3-0)** [Knoph, Johannes-Günther](/source/Johannes-G%C3%BCnther_Knoph); [Sipman, H J M](/source/Harrie_Sipman), eds. (1995). *Studies in Lichenology with Emphasis on Chemotaxonomy, Geography and Phytochemistry – Festschrift Christian Leuckert - (Bibliotheca Lichenologica Band 57*. J. Cramer. p. 476.

1. **[^](#cite_ref-AchariusMedalists_4-0)** ["Acharius Medallists"](http://www.lichenology.org/). *International Association for Lichenology*. Retrieved 21 September 2022.

Authority control databases International ISNI VIAF GND WorldCat National United States France BnF data Israel Academics International Plant Names Index People DDB Other Te Papa (New Zealand)

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