LEON HELLMAN

10.9k total citations · 2 hit papers
199 papers, 8.4k citations indexed

About

LEON HELLMAN is a scholar working on Endocrinology, Diabetes and Metabolism, Molecular Biology and Genetics. According to data from OpenAlex, LEON HELLMAN has authored 199 papers receiving a total of 8.4k indexed citations (citations by other indexed papers that have themselves been cited), including 98 papers in Endocrinology, Diabetes and Metabolism, 41 papers in Molecular Biology and 38 papers in Genetics. Recurrent topics in LEON HELLMAN's work include Hormonal and reproductive studies (46 papers), Hormonal Regulation and Hypertension (35 papers) and Estrogen and related hormone effects (33 papers). LEON HELLMAN is often cited by papers focused on Hormonal and reproductive studies (46 papers), Hormonal Regulation and Hypertension (35 papers) and Estrogen and related hormone effects (33 papers). LEON HELLMAN collaborates with scholars based in United States, United Kingdom and Canada. LEON HELLMAN's co-authors include T. F. Gallagher, David K. Fukushima, Elliot D. Weitzman, Howard P. Roffwarg, ROBERT M. BOYAR, Barnett Zumoff, Jordan W. Finkelstein, Robert Rosenfeld, Sheldon Kapen and Jack Fishman and has published in prestigious journals such as Science, New England Journal of Medicine and Journal of the American Chemical Society.

In The Last Decade

LEON HELLMAN

195 papers receiving 7.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Twenty-four Hour Pattern of the Episodic Secretion of Cortisol in Normal Subjects

1971 981 citations Elliot D. Weitzman, David K. Fukushima et al. The Journal of Clinical Endocrinology & Metabolism profile →
Age-Related Change in the Twenty-Four Hour Spontaneous Secretion of Growth Hormone

1972 508 citations Jordan W. Finkelstein, Howard P. Roffwarg et al. The Journal of Clinical Endocrinology & Metabolism profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
LEON HELLMAN United States	48	3.4k	1.3k	1.3k	1.1k	1.1k	199	8.4k
Robert D. Utiger United States	54	5.3k 1.5×	883 0.7×	1.7k 1.3×	734 0.6×	696 0.6×	136	9.3k
David K. Fukushima United States	40	2.8k 0.8×	524 0.4×	1.1k 0.8×	1.3k 1.1×	683 0.6×	155	6.2k
P. Eneroth Sweden	50	1.8k 0.5×	1.2k 0.9×	2.7k 2.1×	1.3k 1.1×	607 0.6×	406	11.4k
George R. Merriam United States	43	3.3k 1.0×	1.1k 0.8×	989 0.7×	478 0.4×	1.4k 1.3×	128	6.5k
T. F. Gallagher United States	44	2.3k 0.7×	336 0.2×	3.1k 2.3×	865 0.8×	1.1k 1.1×	215	9.1k
A. Vermeulen Belgium	40	5.0k 1.4×	2.2k 1.6×	1.6k 1.2×	525 0.5×	1.1k 1.0×	144	7.5k
Jerome M. Hershman United States	60	8.2k 2.4×	1.1k 0.8×	2.8k 2.1×	645 0.6×	1.2k 1.1×	352	13.1k
Samuel S.C. Yen United States	51	3.0k 0.9×	4.3k 3.2×	1.0k 0.7×	861 0.7×	1.6k 1.5×	146	8.8k
Andrea Fabbri Italy	48	3.8k 1.1×	1.5k 1.1×	1.4k 1.1×	585 0.5×	627 0.6×	155	7.8k
Marc R. Blackman United States	49	5.3k 1.5×	1.1k 0.8×	2.1k 1.6×	1.0k 0.9×	963 0.9×	155	9.6k

Countries citing papers authored by LEON HELLMAN

Since Specialization

Citations

This map shows the geographic impact of LEON HELLMAN's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by LEON HELLMAN with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites LEON HELLMAN more than expected).

Fields of papers citing papers by LEON HELLMAN

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by LEON HELLMAN. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by LEON HELLMAN. The network helps show where LEON HELLMAN may publish in the future.

Co-authorship network of co-authors of LEON HELLMAN

This figure shows the co-authorship network connecting the top 25 collaborators of LEON HELLMAN. A scholar is included among the top collaborators of LEON HELLMAN based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with LEON HELLMAN. LEON HELLMAN is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Scanlon, Edward F., et al.. (1990). Sodium‐24 studies in postmastectomy lymphedema. Journal of Surgical Oncology. 44(1). 47–51. 1 indexed citations

Katz, Jack L., ROBERT M. BOYAR, Howard P. Roffwarg, LEON HELLMAN, & Herbert Weiner. (1978). Weight and Circadian Luteinizing Hormone Secretory Pattern in Anorexia Nervosa. Psychosomatic Medicine. 40(7). 549–567. 63 indexed citations

BOYAR, ROBERT M., Sheldon Kapen, Elliot D. Weitzman, & LEON HELLMAN. (1976). Pituitary Microadenoma and Hyperprolactinemia. New England Journal of Medicine. 294(5). 263–265. 32 indexed citations

Rosenfeld, Robert, Bruno Rosenberg, David K. Fukushima, & LEON HELLMAN. (1975). 24-Hour Secretory Pattern of Dehydroisoandrosterone and Dehydroisoandrosterone Sulfate. The Journal of Clinical Endocrinology & Metabolism. 40(5). 850–855. 143 indexed citations

Fukushima, David K., Jordan W. Finkelstein, Koichiro Yoshida, ROBERT M. BOYAR, & LEON HELLMAN. (1975). Pituitary-Adrenal Activity in Untreated Congenital Adrenal Hyperplasia. The Journal of Clinical Endocrinology & Metabolism. 40(1). 1–12. 22 indexed citations

Friedman, Gerald, et al.. (1974). Testicular Function in Sickle Cell Disease. Fertility and Sterility. 25(12). 1018–1021. 26 indexed citations

HELLMAN, LEON & Robert Rosenfeld. (1974). Metabolism of Testosterone-1,2-³H in Man. Distribution of the Major 17-Ketosteroid Metabolites in Plasma: Relation to Thyroid States. The Journal of Clinical Endocrinology & Metabolism. 38(3). 424–435. 18 indexed citations

BOYAR, ROBERT M., Jordan W. Finkelstein, Howard P. Roffwarg, et al.. (1973). Twenty-Four-Hour Luteinizing Hormone and Follicle-Stimulating Hormone Secretory Patterns in Gonadal Dysgenesis. The Journal of Clinical Endocrinology & Metabolism. 37(4). 521–525. 48 indexed citations

Kapen, Sheldon, ROBERT M. BOYAR, Mark J. Perlow, LEON HELLMAN, & Elliot D. Weitzman. (1973). Luteinizing hormone: Changes in secretory pattern during sleep in adult women. Life Sciences. 13(6). 693–701. 29 indexed citations

10.

Rosenfeld, Robert, LEON HELLMAN, Howard P. Roffwarg, et al.. (1971). Dehydroisoandrosterone Is Secreted Episodically and Synchronously with Cortisol by Normal Man. The Journal of Clinical Endocrinology & Metabolism. 33(1). 87–92. 135 indexed citations

11.

HELLMAN, LEON, Elliot D. Weitzman, Howard P. Roffwarg, et al.. (1970). CORTISOL IS SECRETED EPISODICALLY IN CUSHING'S SYNDROME¹. The Journal of Clinical Endocrinology & Metabolism. 30(5). 686–689. 57 indexed citations

12.

Rosenfeld, Robert & LEON HELLMAN. (1969). Esterification of injected epicoprostanol in a human subject. Journal of Lipid Research. 10(2). 175–178. 2 indexed citations

13.

Zumoff, Barnett, Jack Fishman, T. F. Gallagher, & LEON HELLMAN. (1968). Estradiol metabolism in cirrhosis. Journal of Clinical Investigation. 47(1). 20–25. 64 indexed citations

14.

Zumoff, Barnett, et al.. (1968). Reversible Reproduction of the Abnormal Cortisol Metabolite Pattern of Cirrhosis by Administration of Norethandrolone. The Journal of Clinical Endocrinology & Metabolism. 28(1). 92–99. 10 indexed citations

15.

Fukushima, David K., H. Leon Bradlow, LEON HELLMAN, & T. F. Gallagher. (1968). On Cortisol Production Rate. The Journal of Clinical Endocrinology & Metabolism. 28(11). 1618–1622. 31 indexed citations

16.

Fukushima, David K., H. Leon Bradlow, Tatsuo Yamauchi, et al.. (1967). Studies with Androsterone-3-³H,4-¹⁴C. The Journal of Clinical Endocrinology & Metabolism. 27(8). 1208–1213. 6 indexed citations

17.

HELLMAN, LEON, et al.. (1964). Transformation of Epimeric Δ⁵-Pregnene-3β,17,20-triols in Man. The Journal of Clinical Endocrinology & Metabolism. 24(4). 359–366. 3 indexed citations

18.

Kappas, Attallah, LEON HELLMAN, David K. Fukushima, & T. F. Gallagher. (1958). THE THERMOGENIC EFFECT AND METABOLIC FATE OF ETIOCHOLANOLONE IN MAN*. The Journal of Clinical Endocrinology & Metabolism. 18(10). 1043–1055. 38 indexed citations

19.

Adlersberg, D., LEON HELLMAN, & Robert Rosenfeld. (1956). Isotope Studies on Exogenous and Endogenous Cholesterol Metabolism in Normo‐ and Hypercholesteremic Man. Acta Medica Scandinavica. 154(S312). 737–741. 3 indexed citations

20.

HELLMAN, LEON, Robert Rosenfeld, & T. F. Gallagher. (1954). CHOLESTEROL SYNTHESIS FROM C14—ACETATE IN MAN 1. Journal of Clinical Investigation. 33(2). 142–149. 62 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact