Kurt Aland (1979, 43) favors a type of textual criticism that he calls the local-genealogical method. He defines it as follows:
NEW TESTAMENT TEXTUAL STUDIES: The Aland’s Local-Genealogical Method
BARBARA ALAND (1937 – PRESENT [82 IN 2019]) NEW TESTAMENT TEXTUAL CRITICISM SCHOLAR
Barbara Aland, née Ehlers (born 12 April 1937 in Hamburg, Germany) is a German theologian and was a Professor of New Testament Research and Church History at Westphalian Wilhelms-University of Münster until 2002.
Kurt Aland (1915 – 1994) New Testament Textual Criticism Scholar
Kurt Aland, FBA (28 March 1915 – 13 April 1994) was a German theologian and biblical scholar who specialized in New Testament textual criticism.
Kurt and Barbara Aland Categories of New Testament Manuscripts
New Testament manuscripts in Greek are categorized into five groups, according to a scheme introduced in 1981 by Kurt and Barbara Aland in The text of the New Testament. The categories are based on how each manuscript relates to the various text-types.