The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where T.H. Topper sits on this spectrum.
This scientist: 176 publications — 38th percentile
38% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 804 publications or more.
The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where T.H. Topper sits on this spectrum.
This scientist: 33 D-Index — 5th percentile
5% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 107 D-Index or more.
T.H. Topper is affiliated with the University of Waterloo in Canada, working primarily in the field of Earth and Planetary Sciences. Their research extensively covers paleontology with a particular emphasis on the paleontology and stratigraphy of fossils. The scientist's work also engages with geology and paleoclimatology, calcium carbonate crystallization and inhibition, as well as marine biology and ecological research.
Topper's subfields of study highlight a deep involvement in paleontology, having produced 48 publications in this area. Additional interests encompass atmospheric science, biomaterials, oceanography, and geophysics, reflecting a multidisciplinary approach within the Earth sciences.
Frequent co-authors collaborating with Topper include Zhifei Zhang, Christian B. Skovsted, Fan Liu, Yue Liang, and Guoxiang Li. These collaborations suggest an active role in international and cross-disciplinary scientific networks.
The scientist's research is disseminated through a variety of publication venues. Notable among these are:
Representative recent papers illustrating Topper's research focus include:
Topper's main topics of work include:
M.H. El Haddad;T.H. Topper;K.N. Smith
M. H. El Haddad;K. N. Smith;T. H. Topper
T. H. Topper;R. M. Wetzel;J. Morrow
M. H. El Haddad;N. E. Dowling;T. H. Topper;K. N. Smith
Tamer El Maaddawy;Khaled Soudki;Timothy Topper
Sobhy Masoud;Khaled Soudki;Tim Topper
Tamer El Maaddawy;Khaled Soudki;Timothy Topper
MH El Haddad;KN Smith;TH Topper
Rania Al-Hammoud;Khaled Soudki;Timothy H. Topper
Rania Al-Hammoud;Khaled Soudki;Timothy H. Topper
Sobhy Masoud;Sobhy Masoud;Khaled Soudki;Khaled Soudki;Timothy Topper;Timothy Topper
HR Jhansale;TH Topper
T.H. Topper;M.T. Yu
J Morrow;RM Wetzel;TH Topper
A.A. Dabayeh;T.H. Topper
H. Abdel-Raouf;A. Plumtree;T. H. Topper
A.A. Dabayeh;R.X. Xu;B.P. Du;T.H. Topper
TH Topper;BI Sandor
M.A. Pompetzki;T.H. Topper;D.L. DuQuesnay
D.L. DuQuesnay;T.H. Topper;M.T. Yu;M.A. Pompetzki
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